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The top documents tagged [countries study study]
Epidemiology - Design and Bias Evaluation Fall, 2008 Reference: 1.Szklo M and Nieto FJ. Epidemiology – Beyond the Basics. Aspen Publishers, Maryland 2000
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Observational Epidemiologic Studies Descriptive (incidence, prevalence)
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Observational Epidemiologic Studies Descriptive (incidence, prevalence) Analytic (associate characteristics of population with risk of disease) Study type
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