10:49

6. Cross sectional studies

18:20

4. Cohort studies

23:21

7. Diagnostic studies

9:34

1. Introduction to critical appraisal

3:29

Case-control study explained

22:06

3. Randomised controlled trials

20:01

Week 8 : CASE CONTROL STUDY - INTRO

22:45

Case-control and Cohort Study Designs | Study Designs | Epidemiology in Minutes | EpiMinutes 5