PPT (2 MB) - Institute for Oral Health
PPT (2 MB) - Institute for Oral Health
PPT (2 MB) - Institute for Oral Health
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THE ERIE COUNTY STUDY<br />
Study Design<br />
1. Adults 25 to 74 years of age<br />
2. Equal numbers of each decade<br />
(25 to 34; 35 to 44; etc.)<br />
3. Individuals of various socio-<br />
economic classes included<br />
Grossi et al. 1997