Prospective and retrospective cohort studies

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Reference no: EM1388826

Discuss the difference between prospective and retrospective cohort studies by performing a literature search to locate two studies that illustrate these types of studies and write a brief synopsis of each one, comparing and contrasting the two types of studies. How about polio vaccinated people verses unvaccinated people, or influenza perhaps? Please include references if possible?

Reference no: EM1388826

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