Epidemiologic study designs
Imprecision in determining the time of onset of the disease; 3. Prolonged intervals between exposure to a causative agent and disease onset ... control studies (since these are generally the most efficient and logistically practical design) and, unless negative results occur and are accepted, move towards follow-up studies and possibly ...
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16. Data management and data analysis* - …
www.epidemiolog.netwww.epidemiolog.net, © Victor J. Schoenbach 16. Data management and data analysis - 523 rev. 10/22/1999, 10/28/1999, 4/9/2000 16. Data management and data analysis*
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7. Relating risk factors to health outcomes - …
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