title: Selection of subjects in community studies.
authors: C T
authors: CT
authors: Van Buren
mesh_terms: D000328:Adult; D000368:Aged; D003920:Diabetes Mellitus / Q000453:epidemiology*; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008910:Minnesota / Q000453:epidemiology; D015995:Prevalence; D015983:Selection Bias