The Cochrane Collaboration: evaluation of health care and services using systematic reviews of the results of randomized controlled trials.
Dickersin
K
K
Baltimore Cochrane Center, University of Maryland School of Medicine 21201, USA. kdickers@umaryland.edu
Manheimer
E
E
D019317:Evidence-Based Medicine; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D006113:United Kingdom