Rare card
Retrospective cohort study
- Value
- 50 W
- Attack
- 188
- Defence
- 150
- Players
- 0
0 copies in circulation
A retrospective cohort study, also called a historic cohort study, is a longitudinal cohort study used in medical and psychological research. A cohort of individuals that share a common exposure factor is compared with another group of equivalent individuals not exposed to that factor, to determine…
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