Demonstrating effectiveness in a post-placebo era.
Urquhart
J
J
Pharmaco-epidemiology Group, Maastricht University, Maastricht, The Netherlands. urquhart@ix.netcom.com
D018849:Controlled Clinical Trials as Topic / Q000592:standards*; D015195:Drug Design; D006801:Humans; D015990:Placebo Effect; D016896:Treatment Outcome