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Características generales del diseño

Guía práctica de investigación en salud

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Interpretación de los resultados de investigación 121Malterad K. Qualitative research: standards, challenges, and gui<strong>del</strong>ines. Lancet, 2001,358: 483–88.Schulz KF, Grimes DA. Uses and abuses of screening tests. Lancet, 2002, 359: 881–884.Steering Committee of the Physicians’ Health Study Research Group: Final report onthe aspirin component of the ongoing physicians’ health study. New England Journalof Medicine, 1989, 321:129.Writing group for the Women’s Health Initiative investigators. Risks and benefits ofestrogen plus progestin in healthy postmenopausal women: principal results from theWomen’s Health Initiative randomized controlled trial. Journal of the American MedicalAssociation, 2002, 288: 312–333.

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