Further reading on therapy

Users' guides to the medical literature. II . How to use an article about therapy or prevention A. Are the results of the study valid?

Guyatt GH, Sackett DL, Cook DJ for the Evidence-Based Medicine Working Group.

JAMA 1993;270:2598-2601.

Users' guides to the medical literature. II. How to use an article about therapy or prevention. B. Are the results of the study important?

Guyatt GH, Sackett DL, Cook DJ for the Evidence-Based Medicine Working Group.

JAMA 1994;271:59-62.

Evidence-based Medicine: How to Practice and Teach EBM

Sackett DL, Straus SE, Richardson WS, Rosenberg W, Haynes RB.

Churchill Livingstone:Edinburgh, 2000.