Any casualties in the clash of randomised and observational evidence?
- 14 April 2001
- Vol. 322 (7291) , 879-880
- https://doi.org/10.1136/bmj.322.7291.879
Abstract
Acknowledgments ABH is supported by a grant from the General Secretariat of Research and Technology, Greece, and the European Union.Keywords
This publication has 7 references indexed in Scilit:
- Randomized Trials or Observational Tribulations?New England Journal of Medicine, 2000
- Randomized, Controlled Trials, Observational Studies, and the Hierarchy of Research DesignsNew England Journal of Medicine, 2000
- A Comparison of Observational Studies and Randomized, Controlled TrialsNew England Journal of Medicine, 2000
- Vitamin E Supplementation and Cardiovascular Events in High-Risk PatientsNew England Journal of Medicine, 2000
- Issues in Comparisons Between Meta-analyses and Large TrialsJAMA, 1998
- Summing up evidence: one answer is not always enoughThe Lancet, 1998
- The Effect of Vitamin E and Beta Carotene on the Incidence of Lung Cancer and Other Cancers in Male SmokersNew England Journal of Medicine, 1994