Systematic reviews in health care: Assessing the quality of controlled clinical trials.
Jüni
P
P
Department of Social and Preventive Medicine, University of Bern, Bern, 3012 Switzerland.
Altman
D G
DG
Egger
M
M
D015982:Bias; D018849:Controlled Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D015201:Meta-Analysis as Topic; D015203:Reproducibility of Results