Reference
- The Evidence Based Medicine Working Group. Users' Guide to the Medical Literature: A Manual for Evidence-Based Clinical Practice. AMA Press, Chicago 2001
- Greenhalgh T. How to Read a Paper: The basics of Evidence Based Medicine. BMJ Publishing Group, London 1997
- Sackett D L, Richardson W S, Rosenberg W, Haynes R B. Evidence-Based Medicine: How to Practice and Teach EBM. Churchill Livingstone, New York 1997