Introduction to Health Physics: Fourth Edition - Ruang Baca FMIPA UB

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INDEX Page numbers followed by “t” denote tables; those followed by “f” denote figures. 1/e power point, 732 10 CFR 20, 365, 407–12 Annual Occupational Dose Limits, 410t concentration limits for radionuclides, 414 Appendix B, 601 10 CFR 20.1301(e), 601–2 10 CFR 20.1301(a)(1), 602 10 CFR 34, 460 10 CFR 50, Appendix I, 601 21 Code of Federal Regulations (CFR), 727 A Ability to respond to the radiation being measured, 681–82 Absorbed dose fractions, 245 Absorbed dose, 203–5, see also Kerma, Air Kerma Absorbed fraction (Ã), 243 Absorbed fractions for photons, 243, 242t, 244t, 250, 251t Absorbed gamma ray energy per 131I transformation, 245 Absorber for radiation, effectiveness of, 773 Absorption coefficient of the absorbing material, 195 Absorption, 689 Absorption coefficient, see also Energy absorption coefficient, 181f, mass, 182f Acceptable-risk concept, 338–39 Accidental criticality/uncontrolled nuclear chain reaction, 640 occurrence of, 658–61 Accuracy, 485 Actinide elements, 69 Actinium series, 111, 115t, 116 Action, 114 Activated charcoal, 703–4 Activation, 192–94 neutron foils, 466t, 467t Active transport, 287 Activity mean aerodynamic diameter (AMAD), 361, 366f Activity median thermodynamic diameter (AMTD), 377, 379f Acute overexposure, treatment of, 313–15 Acute whole-body radiation overexposure, 307 Adiabatic lapse rate, 608 Adrenal cortex, 303 Adrenal glands, 303 Adrenal medulla, 303 Adrenaline (epinephrine), 303 Adrenocorticotropic hormone, 301 Adsorbents, 687 Adsorption isotherm, 687 Adsorption, 687 Aerodynamic properties of particles, 359 Air cleaning equipment, 604t, 605 Air, daily intake, 357t Air kerma/sievert (Sv)/rem, 222–26, 331–32 Air sampling, 685–91 Air wall chamber, 209–13 Airborne contaminant production, 565 Airborne contaminant, sampling considerations, 692–703 Airborne gases, collecting techniques, 687–90 Airborne particles, 585 Airborne radioactivity, 325, 357, 602 Airborne wastes, meteorological considerations, 605–8 Airline hoods, 592 Air-purifying respirators, 592 Air-sampling system, 686–91 Al2O3:C dosimeter, 458–59 Albedo neutron dosimeter, 458 Alpha emission, 86–89 Alpha-neutron source 185t Alpha particle, 59, 86–89 (bis) absorption curve, 160–61 energy, α, n source, 184 Alpha rays, 160–65, see also Alpha particles calibration source, 480–81 Alpha-track detectors, 704 Alveolar surface, 293–94 Alveoli, 291 Alveolus, 293 American National Standards Institute (ANSI), 428, 739, 740 Ampere (A), 19 Amplitude of a wave, 31 Analog-to-digital converter (ADC), 440 Anatomical model of HRTM, 375 Angstrom unit, 46 Anisokinetic sampling, 692 Annihilation radiation, 174, 181 Annual limit of intake (ALI), 351–56 861
862 Index ANSI Z136.1-2000, 737–40 Antenna gain, 762–63 Antenna aperture, 762, 765 Anti-contamination clothing, See protective clothing Anti-neutrino, See neutrino Apoptosis, 283, 288 Aqueous humor, 304, 305f Area (plane) source, 518–20 Area monitoring systems, 706 Area monitors, 706 Area source, See plane source Argon-41, 396 As low as reasonably achievable (ALARA), 346 Atmospheric radioactivity, 686 Atmospheric radiocarbon, 110 Atmospheric stability, 607–12 Atom definition, 81 magnetic properties of, 67 Atomic attenuation coefficient/microscopic cross section, 167, 169 Atomic Bomb Casualty Commission (ABCC), 279 Atomic Energy Acts of 1946 and 1954, 407–8 Atomic Energy Commission (AEC), 407–8 Atomic mass number, 81 Atomic mass unit, 75–76 Atomic masses, 75, 78 Atomic structure, 59–82 Atomic weight of an element, 75 Atrium, 291 Attenuation coefficient, 167, cross sections, 180–81 Linear,168t Mass, 170f Total 181f Attributable risk, 319 Auger electron, 73, 246f, 259f Average geometry factor for cylinders, 239, 240t Average life, 102–3 Average logarithmic energy decrement, 188 Average power density, 43 Azimuthal quantum number, 67–68 B Ba-137m, 97 Background dose rate, 128 Background radiation, 128 Ballistic thermopile, 759 Bar magnet, 67 Barretter, 780 Bases, 316 Basic physical quantities, 3 Beam divergence, 733–34 Beam of electrons, 47, 49–50 Beamwidth, 762 Becquerel (Bq), 103–5, 119 BEIR (biological effects of ionizing radiation), 283 BEIR V committee, 329 BEIR VI, 325t BEIR VII report, 328, 318t, 329t, 330t Bell-shaped normal curve, 488 Bergkrankheit (miner’s disease), 324 Beta calibration source, 480 dose, 454 emission, 89–93 emitting contaminant, 148 particle, 89 radiation, 90, 226–28 rays, 143–60 shielding, 565–68 shields, 144, 155 BF3 neutron detector, 468 “Billiard-ball” type collision, 187–88 Biological effects of light, 734–36 Bioassay, 667–81. see also CEDE Binding energy per nucleon, 76–78 Binomial distribution, 487 “Birdcage,” 661 Birth defects (teratogenesis), 313 Blood cells, 290 Blood flow in heart, 291 Bohr atom, modification of, 66–68 Bohr’s atomic model, 61–64. see also Planck’s Quantum theory Bolometer, 759 Bone, 297 Bone cancer, 323–24 Bone-seeking rare-earth fission products, 324 Boron-10, Cross section, 468 Bowman’s capsule, 299–300 Bragg peak, 164 Bragg-Gray principle, 218–21 Brain, 300 Breathing, 294 Breathing frequency (fR), 294 Bremsstrahlung, 61, 93, 154–56 X-rays, 155 British system of units, 3 Bronchi, 291 Brownian motion, 361–62 Bubble detector, 475–76 Buildup factor, 523, 525f Bulk flow, 286 Bulk transport, 286 C 14 C, 110 Cadmium ratio, 483 Calibration measurements, 477–85 Californium-252, 182 CAM, continuous air monitor, 715 Cancer, 317–21 Atomic bomb survivor mortality, 330t BEIR VI risk estimate, 325t BEIR VII risk estimate, 319t, 329t Cancer in atomic bomb survivors, 318t Detriment probability, 327t risk estimates, 328–29 probability of causation, 320–21 Capacitor-type pocket dosimeter, 451 Capillaries, 289–90 Cardiac angiography, 534–45 Cardiac muscle, 297 Cataracts, 312
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INTRODUCTION TO Health Physics
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INTRODUCTION TO Health Physics Herm
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To my wife, Sylvia and to the memor
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CONTENTS Preface/ XI 1. Introductio
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Surface Contamination Limits/592 Wa
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PREFACE The practice of radiation s
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INTRODUCTION TO Health Physics
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INTRODUCTION 1 Health physics, radi
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REVIEW OF PHYSICAL PRINCIPLES MECHA
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REVIEW OF PHYSICAL PRINCIPLES 5 In
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and at v = 0.99 c, m = 9.11 × 10
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REVIEW OF PHYSICAL PRINCIPLES 9 Sub
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REVIEW OF PHYSICAL PRINCIPLES 11 Th
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REVIEW OF PHYSICAL PRINCIPLES 13 co
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REVIEW OF PHYSICAL PRINCIPLES 17 (t
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Electrical Current: The Ampere REVI
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Solution REVIEW OF PHYSICAL PRINCIP
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REVIEW OF PHYSICAL PRINCIPLES 23 Ac
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V a b REVIEW OF PHYSICAL PRINCIPLES
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Elastic Collision REVIEW OF PHYSICA
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Force Time REVIEW OF PHYSICAL PRINC
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REVIEW OF PHYSICAL PRINCIPLES 31 5
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REVIEW OF PHYSICAL PRINCIPLES 33 Fi
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REVIEW OF PHYSICAL PRINCIPLES 35 In
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or, in terms of the loss tangent,
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where Impedance t = time after clos
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REVIEW OF PHYSICAL PRINCIPLES 45 A
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therefore, Matter Waves REVIEW OF P
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SUMMARY REVIEW OF PHYSICAL PRINCIPL
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REVIEW OF PHYSICAL PRINCIPLES 53 Ac
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REVIEW OF PHYSICAL PRINCIPLES 55 2.
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REVIEW OF PHYSICAL PRINCIPLES 57 2.
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ATOMIC AND NUCLEAR STRUCTURE ATOMIC
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Bohr’s Atomic Model ATOMIC AND NU
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ATOMIC AND NUCLEAR STRUCTURE 63 2.
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The energy of this photon is E = hc
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ATOMIC AND NUCLEAR STRUCTURE 67 are
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ATOMIC AND NUCLEAR STRUCTURE 69 ene
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TABLE 3-1. Electronic Structure of
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ATOMIC AND NUCLEAR STRUCTURE 73 rad
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ATOMIC AND NUCLEAR STRUCTURE 75 spe
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ATOMIC AND NUCLEAR STRUCTURE 77 whe
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ATOMIC AND NUCLEAR STRUCTURE 79 neu
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SUMMARY ATOMIC AND NUCLEAR STRUCTUR
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ATOMIC AND NUCLEAR STRUCTURE 83 3.1
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R ADIATION SOURCES RADIOACTIVITY 4
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R ADIATION SOURCES 87 Figure 4-2. T
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R ADIATION SOURCES 89 Figure 4-3. R
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R ADIATION SOURCES 91 Figure 4-4. P
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Figure 4-7. Iodine-131 transformati
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R ADIATION SOURCES 95 Since positro
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R ADIATION SOURCES 97 level of high
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R ADIATION SOURCES 99 From the defi
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R ADIATION SOURCES 101 determined b
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R ADIATION SOURCES 103 sum of the l
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R ADIATION SOURCES 105 of activity
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Solution SA 14 10 226 × 1600 yea
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and the number of radioactive atoms
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W EXAMPLE 4.8 R ADIATION SOURCES 11
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TABLE 4-2. Neptunium Series (4n +1)
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TABLE 4-4. Actinium Series (4n +3)
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R ADIATION SOURCES 117 TABLE 4-6. A
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The integrand can be changed to the
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Figure 4-14. Secular equilibrium: B
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R ADIATION SOURCES 123 of the daugh
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R ADIATION SOURCES 125 By the use o
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Expanding and collecting terms, we
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R ADIATION SOURCES 129 Figure 4-17.
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Deflector Vacuum pump External deam
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Substituting the value of r from Eq
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R ADIATION SOURCES 135 before it is
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R ADIATION SOURCES 137 4.18. What w
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R ADIATION SOURCES 139 4.43. 100-mC
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R ADIATION SOURCES 141 Report No. 1
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INTERACTION OF RADIATION WITH MATTE
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INTERACTION OF RADIATION WITH M ATT
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TABLE 5-2. Bremsstrahlung Spectrum
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W EXAMPLE 5.12 INTERACTION OF RADIA
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Classification TABLE 5-6. α, n Neu
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W EXAMPLE 5.14 INTERACTION OF RADIA
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since ln E =−ξ, E 0 E E 0 = e
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where INTERACTION OF RADIATION WITH
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UNITS RADIATION DOSIMETRY 6 During
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Solution The radiation absorbed dos
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RADIATION DOSIMETRY 207 The relatio
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RADIATION DOSIMETRY 209 The use of
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RADIATION DOSIMETRY 211 Since one e
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RADIATION DOSIMETRY 213 Figure 6-5.
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The radiation absorbed dose rate fr
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RADIATION DOSIMETRY 217 Figure 6-6.
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219 TABLE 6-1. Mean Mass Stopping P
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RADIATION DOSIMETRY 221 The exposur
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W Example 6.9 RADIATION DOSIMETRY 2
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RADIATION DOSIMETRY 225 This calcul
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where ϕ = intensity at depth t, ϕ
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RADIATION DOSIMETRY 229 Assuming th
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When we combine the constants in Eq
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Solution RADIATION DOSIMETRY 233 Ph
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RADIATION DOSIMETRY 235 In most ins
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RADIATION DOSIMETRY 237 first-order
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RADIATION DOSIMETRY 239 Integrating
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Medical Internal Radiation Dose Met
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RADIATION DOSIMETRY 243 1 Bq/cm 3 o
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W Example 6.16 RADIATION DOSIMETRY
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for 131I listed in the output data
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then the total dose to the target o
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251 TABLE 6-8. Absorbed Fractions (
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RADIATION DOSIMETRY 253 which was f
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255 TABLE 6-9. S, Absorbed Dose per
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257 TABLE 6-10. S, Absorbed Dose Pe
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RADIATION DOSIMETRY 259 values of S
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RADIATION DOSIMETRY 261 S (kidney
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RADIATION DOSIMETRY 263 and MIRD Pa
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RADIATION DOSIMETRY 265 the 50-year
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TABLE 6-11. Synthetic Tissue Compos
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Solution Dn,p = The dose rate due t
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RADIATION DOSIMETRY 271 6.2. An air
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RADIATION DOSIMETRY 273 (a) Plot th
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RADIATION DOSIMETRY 275 the averag
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RADIATION DOSIMETRY 277 No. 7. Berg
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7 BIOLOGICAL BASIS FOR RADIATION SA
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BIOLOGICAL BASIS FOR R ADIATION SAF
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Na + K + BIOLOGICAL BASIS FOR R ADI
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TLC VC IC FRC IRV TV RV RV BIOLOGIC
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Capillary knot Vein BIOLOGICAL BASI
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Cell body One nerve cell Axon Nucle
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Aqueous humor Cornea Iris Lens Vitr
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Leucocytes and lymphocytes (x10 −
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TABLE 7-5. Tissue Dose Rate vs. Dis
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Birth Defects (Teratogenesis) BIOLO
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Cancer BIOLOGICAL BASIS FOR R ADIAT
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Incidence Incidence General form Do
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RADIATION SAFETY GUIDES 8 Radiation
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RADIATION SAFETY GUIDES 339 radiati
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RADIATION SAFETY GUIDES 341 members
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RADIATION SAFETY GUIDES 343 is a me
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RADIATION SAFETY GUIDES 345 Figure
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RADIATION SAFETY GUIDES 347 by radi
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RADIATION SAFETY GUIDES 349 radiati
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Dose Coefficient RADIATION SAFETY G
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RADIATION SAFETY GUIDES 353 appropr
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RADIATION SAFETY GUIDES 355 The cal
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Airborne Radioactivity RADIATION SA
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RADIATION SAFETY GUIDES 359 collisi
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RADIATION SAFETY GUIDES 361 is 1 g/
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RADIATION SAFETY GUIDES 365 can be
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RADIATION SAFETY GUIDES 367 total w
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RADIATION SAFETY GUIDES 369 TABLE 8
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compartment after a time t is given
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RADIATION SAFETY GUIDES 373 Now we
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RADIATION SAFETY GUIDES 375 classi
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RADIATION SAFETY GUIDES 377 normal
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RADIATION SAFETY GUIDES 381 whose c
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13 14 12 11 GI Tract 13 T RADIATION
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RADIATION SAFETY GUIDES 387 REGION
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RADIATION SAFETY GUIDES 389 The bb
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391 TABLE 8-18. Values of Absorbed
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TABLE 8-19. Summary of Dose Calcula
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TABLE 8-20. Dose Coefficients for S
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RADIATION SAFETY GUIDES 397 nation
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and the total activity in the body
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RADIATION SAFETY GUIDES 401 segment
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RADIATION SAFETY GUIDES 403 where E
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TABLE 8-22. Radioisotopes That Do N
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RADIATION SAFETY GUIDES 407 The sma
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RADIATION SAFETY GUIDES 409 TABLE 8
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RADIATION SAFETY GUIDES 411 Kentuck
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RADIATION SAFETY GUIDES 413 The fra
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RADIATION SAFETY GUIDES 415 ALI = 1
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W Example 8.10 RADIATION SAFETY GUI
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W Example 8.12 RADIATION SAFETY GUI
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RADIATION SAFETY GUIDES 421 Substit
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RADIATION SAFETY GUIDES 423 64. Inf
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RADIATION SAFETY GUIDES 425 16. Pro
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HEALTH PHYSICS INSTRUMENTATION RADI
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Gas-Filled Particle Counters HEALTH
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HEALTH PHYSICS INSTRUMENTATION 431
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TABLE 9-2. Scintillating Materials
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Figure 9-10. Block diagram of a sin
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DOSE-MEASURING INSTRUMENTS HEALTH P
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Response Normalized to Cs-137 10 Co
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Survey Meters: Ion Current Chambers
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W Example 9.6 HEALTH PHYSICS INSTRU
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NEUTRON MEASUREMENTS HEALTH PHYSICS
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467 TABLE 9-4. Threshold Foil React
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Count rate per unit flux 10 1 .1 .0
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Solution HEALTH PHYSICS INSTRUMENTA
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Neutrons TABLE 9-7. Calibration Sou
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Accuracy HEALTH PHYSICS INSTRUMENTA
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and is often expressed as a percent
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W Example 9.16 What is the MDA for
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Rearranging Eq. (9.60) and applying
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For the data in this example: HEALT
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Solution X = 1589 7 = 227 (Xi −
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10 EXTERNAL RADIATION SAFETY BASIC
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EXTERNAL RADIATION SAFETY 515 By th
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W Example 10.2 EXTERNAL RADIATION S
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EXTERNAL RADIATION SAFETY 519 Figur
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Au 198 Ir 192 Cs 137 EXTERNAL RADIA
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Dose buildup factor, B Dose buildup
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EXTERNAL RADIATION SAFETY 527 layer
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X-Rays EXTERNAL RADIATION SAFETY 52
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EXTERNAL RADIATION SAFETY 531 recom
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where EXTERNAL RADIATION SAFETY 533
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535 TABLE 10-4. Values for the Para
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EXTERNAL RADIATION SAFETY 537 a sec
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TABLE 10-6. Commercial Lead Sheets
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EXTERNAL RADIATION SAFETY 543 The o
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EXTERNAL RADIATION SAFETY 545 Dist
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EXTERNAL RADIATION SAFETY 547 by th
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from Eqs. (10.26a) and (10.26b) int
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EXTERNAL RADIATION SAFETY 551 TABLE
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Transmission 1.0 86 4 2 10 8 6 4 -1
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EXTERNAL RADIATION SAFETY 555 to 0.
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The required lead-equivalent leaded
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Wpri = primary barrier weekly workl
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where EXTERNAL RADIATION SAFETY 561
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W = workload, Gy/wk, T = occupancy
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EXTERNAL RADIATION SAFETY 565 Gamm
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where Ni = number of atoms of the i
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EXTERNAL RADIATION SAFETY 569 which
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EXTERNAL RADIATION SAFETY 571 is fo
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where C = cost per unit volume of t
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EXTERNAL RADIATION SAFETY 575 for a
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EXTERNAL RADIATION SAFETY 577 Calcu
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EXTERNAL RADIATION SAFETY 579 per
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EXTERNAL RADIATION SAFETY 581 Patte
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11 INTERNAL R ADIATION SAFETY INTER
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INTERNAL RADIATION SAFETY 585 Figur
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INTERNAL RADIATION SAFETY 589 regar
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591 TABLE 11-3. Protection Factors
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INTERNAL RADIATION SAFETY 593 the m
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INTERNAL RADIATION SAFETY 595 TABLE
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INTERNAL RADIATION SAFETY 597 the U
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INTERNAL RADIATION SAFETY 601 effec
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603 TABLE 11-7. Treatment Methods f
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INTERNAL RADIATION SAFETY 605 or ba
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Figure 11-5. Gaussian plume dispers
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TABLE 11-10. Pasquill’s Categorie
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INTERNAL RADIATION SAFETY 613 is 4
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INTERNAL RADIATION SAFETY 615 Equat
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INTERNAL RADIATION SAFETY 617 In ce
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INTERNAL RADIATION SAFETY 619 In th
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INTERNAL RADIATION SAFETY 621 Since
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W Example 11.7 INTERNAL RADIATION S
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INTERNAL RADIATION SAFETY 625 In th
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INTERNAL RADIATION SAFETY 627 (b) A
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INTERNAL RADIATION SAFETY 629 a = c
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INTERNAL RADIATION SAFETY 631 treat
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INTERNAL RADIATION SAFETY 633 activ
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INTERNAL RADIATION SAFETY 635 Cohen
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INTERNAL RADIATION SAFETY 637 Repor
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CRITICALITY CRITICALITY HAZARD 12 O
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Potential energy E11 E12Em 2r Dista
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Fission Products CRITICALITY 643 Th
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CRITICALITY A2 = 2.35 × 10 15 1.2
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and will cause “fast fission.”
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W Example 12.3 CRITICALITY 649 Calc
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CRITICALITY 651 Making the very rea
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TABLE 12-3. Delayed Neutrons from t
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Power level dt t T τ then T = τ -
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CRITICALITY 657 TABLE 12-5. Activit
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TABLE 12-6. Minimum Critical Mass o
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SUMMARY CRITICALITY 661 a criticali
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CRITICALITY 663 12.10. The blood pl
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CRITICALITY 665 Knief, R. A. Nuclea
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EVALUATION OF RADIATION SAFETY MEAS
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Evaluation of Radiation Safety Meas
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W EXAMPLE 13.4 Evaluation of Radiat
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W EXAMPLE 13.9 Evaluation of Radiat
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SUMMARY Evaluation of Radiation Saf
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(b) Are the distributions normal or
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NONIONIZING RADIATION SAFETY 14 Non
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Solution NONIONIZING RADIATION SAFE
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NONIONIZING RADIATION SAFETY 725 hi
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2.4 mW cm 2 E mW cm 2 = (50 cm)2 (1
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NONIONIZING RADIATION SAFETY 729 Fi
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Figure 14-4. Beam cross sections fo
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% Total Transmission 100 90 80 70 6
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NONIONIZING RADIATION SAFETY 737 TA
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W Example 14.7 NONIONIZING RADIATIO
Page 760 and 761:
NONIONIZING RADIATION SAFETY 745 Th
Page 762 and 763:
TABLE 14-12. Reflecting Materials N
Page 764 and 765:
Solution NONIONIZING RADIATION SAFE
Page 766 and 767:
Solution The irradiance at the aper
Page 768 and 769:
Wavelengths (nm) NONIONIZING RADIAT
Page 770 and 771:
n = 300 pulses s × 10 seconds = 30
Page 772 and 773:
% of Peak 100 80 60 40 20 NONIONIZI
Page 774 and 775:
Page 776 and 777:
TABLE 14-16. Radar Bands FREQUENCY
Page 778 and 779:
NONIONIZING RADIATION SAFETY 763 Al
Page 780 and 781:
NONIONIZING RADIATION SAFETY 765 po
Page 782 and 783:
NONIONIZING RADIATION SAFETY 767 Gr
Page 784 and 785:
NONIONIZING RADIATION SAFETY 769 in
Page 786 and 787:
Since there is 1 J/s in a watt, 1.1
Page 788 and 789:
Page 790 and 791:
Biological Effects NONIONIZING RADI
Page 792 and 793:
where Td = dry bulb temperature,
Page 794 and 795:
NONIONIZING RADIATION SAFETY 779 to
Page 796 and 797:
NONIONIZING RADIATION SAFETY 781 th
Page 798 and 799:
Dosimetry NONIONIZING RADIATION SAF
Page 800 and 801:
Page 802 and 803:
Page 804 and 805:
where S = power density, W/m 2 , ε
Page 806 and 807:
NONIONIZING RADIATION SAFETY 791 ME
Page 808 and 809:
where A = attenuation, dB, t = shie
Page 810 and 811:
NONIONIZING RADIATION SAFETY 795 th
Page 812 and 813:
NONIONIZING RADIATION SAFETY 797 14
Page 814 and 815:
NONIONIZING RADIATION SAFETY 799 SO
Page 816 and 817:
NONIONIZING RADIATION SAFETY 801 Ha
Page 818 and 819:
APPENDIX A Values of Some Useful Co
Page 820 and 821:
APPENDIX B Table of the Elements NA
Page 822 and 823:
Table of the Elements (Continued) A
Page 824 and 825:
APPENDIX C The Reference Person Ove
Page 826 and 827: Chemical Composition APPENDIX C. 81
Page 828 and 829: Duration of Exposure 1. Occupationa
Page 830 and 831: APPENDIX D SPECIFIC ABSORBED FRACTI
Page 832 and 833: 817 Energy in (MeV) Target 0.200 0.
Page 860 and 861: 845 Target 0.200 0.500 1.000 1.500
Page 866 and 867: APPENDIX E TOTAL MASS ATTENUATION C
Page 868 and 869: APPENDIX F MASS ENERGY ABSORPTION C
Page 870 and 871: ANSWERS TO PROBLEMS 2.1 0.53 m/s to
Page 872 and 873: TVL Al 5.3 cm 0.1 MeV Cu 0.6 cm
Page 874 and 875: 12.2 Nuclide Bq/L pCi/mL 24 Na 1200
Page 878 and 879: Catecholamines, 303 Cavity ionizati
Page 880 and 881: Energy Research and Development Adm
Page 882 and 883: International Organization for Stan
Page 884 and 885: n-p junction, 445 Nuclear bombings
Page 886 and 887: Radium injections, 324 Radon daught
Page 888: Type 2, or non-insulin-dependent di
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Introduction to Health Physics: Fourth Edition - Ruang Baca FMIPA UB

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