expand icon
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 2
Compare ecologic, cross-sectional, and case-control studies with respect to their strengths and weaknesses, and advantages and disadvantages.
التوضيح
موثّق
like image
like image

Ecologic study:
Population studies whic...

close menu
Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers
cross icon