Concepedia
Journal of Clinical Epidemiology · 2001 · 598 citations · 82 references
Non-pharmacological InterventionHealth PolicyClinical TrialsRandomized Controlled TrialPlacebo-controlled TrialDrug Trial
82
Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?
David Moher, Ba’ Pham, Alison Jones et al. · The Lancet · 1998 · 3.6K citations
Meta-analysis, Does Quality, Randomised Trials +6
Randomized, Controlled Trials, Observational Studies, and the Hierarchy of Research Designs
John Concato, Nirav R. Shah, Ralph I. Horwitz · New England Journal of Medicine · 2000 · 3.5K citations · Full text
A Comparison of Observational Studies and Randomized, Controlled Trials
Kjell Benson, Arthur J. Hartz · New England Journal of Medicine · 2000 · 2.3K citations
THE POWERFUL PLACEBO
Henry K. Beecher · Journal of the American Medical Association · 1955 · 1.8K citations
Philosophy Of Medicine, Psychoactive Drug, Medical Ethics +11
Why we need observational studies to evaluate the effectiveness of health care
BMJ · 1996 · 1.6K citations
Evidence-based Medicine, Quasi-experiment, Research Ethics +19