Observational studies as alternatives to randomized clinical trials in surgical clinical research
- 1 April 1996
- Vol. 119 (4) , 473-475
- https://doi.org/10.1016/s0039-6060(96)80150-4
Abstract
No abstract availableThis publication has 2 references indexed in Scilit:
- Clinical studies in surgical journals—have we improved?Diseases of the Colon & Rectum, 1993
- Randomized versus historical controls for clinical trialsThe American Journal of Medicine, 1982