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Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
النسخة 5الرقم المعياري الدولي: 978-1449665494Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
النسخة 5الرقم المعياري الدولي: 978-1449665494 تمرين 2
A hypothetical community located near a large military base is suspected of having a toxic chemical present in the groundwater. Propose the design of a case-control and a cohort study to examine the impacts on humans of exposures to the toxic chemicals.
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موثّق
Case-control study design:
Case-control...
Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
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