The importance of negative and neutral clinical trials.
Smith
Eldon R
ER
D002318:Cardiovascular Diseases / Q000175:diagnosis / Q000188:drug therapy*; D002985:Clinical Protocols; D006801:Humans; D010506:Periodicals as Topic; D015990:Placebo Effect; D017594:Publication Bias; D011642:Publications / Q000592:standards* / Q000639:trends; D016032:Randomized Controlled Trials as Topic; D012680:Sensitivity and Specificity; D017211:Treatment Failure