1. Primary, secondary and meta-analysis of research;Glass;Educ Res,1976
2. Proceedings of the workshop on methodological issues in overviews of randomized clinical trials;Colton,1987
3. Testing Statistical Hypotheses;Lehmann,1959
4. Aspirin in coronary heart disease: Comparison of six clinical trials;Canner;Isr J Med Sci,1983
5. Beta-blockade after myocardial infarction: A statistical view;Lewis;Br J Clin Pharmacol,1982