Random versus volunteer selection for a community-based study. [electronic resource]
Producer: 19980303Description: M39-46 p. digitalISSN:- 1079-5006
- Activities of Daily Living
- Aged
- Aged, 80 and over
- Bias
- Cognition
- Cost-Benefit Analysis
- Cross-Sectional Studies
- Data Interpretation, Statistical
- Educational Status
- Epidemiologic Studies
- Female
- Follow-Up Studies
- Forecasting
- Health Services -- statistics & numerical data
- Humans
- Longitudinal Studies
- Male
- Mortality
- Patient Selection
- Pennsylvania -- epidemiology
- Random Allocation
- Risk Factors
- Rural Population
- Sample Size
- Sampling Studies
- Sex Factors
- Volunteers
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Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.
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