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book Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers cover

Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers

النسخة 5الرقم المعياري الدولي: 978-1449665494
book Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers cover

Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers

النسخة 5الرقم المعياري الدولي: 978-1449665494
تمرين 6
Describe the advantages and disadvantages of each of the following types of controls in a case-control study:
a. Population-based
b. Hospital cases
c. Relatives
التوضيح
موثّق
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Sources of controls:
1. Selection of co...

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Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
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