Records

Methodological context for: Chalmers TC, Matta RJ, Smith H, Kunzler A-M. (1977). Evidence favoring the use of anticoagulants in the hospital phase of acute myocardial infarction. N Eng J Med 297:1091-96.

Systematic review

Systematic reviews of all the relevant evidence

 

Meta-analysis

Reducing the play of chance using meta-analysis'