I: Why we need clinical research -- II: Principles of clinical research -- II A: Understanding research study design -- II B: Understanding outcomes measurement -- II C: Understanding treatment effects -- III: Practice of clinical research -- III A: Planning a research study -- III B: Conducting a research study -- III C: Practical guide to statistical analysis

1. General Surgery
2. Research Design
3. Clinical Trials as Topic
4. Ethics
5. Research
6. Statistics as Topic
7. Treatment Outcome