title: Placebo-controlled trials, ethics, and the goals of comparative effectiveness research: comment on "lack of head-to-head trials and fair control arms".
authors.affiliation: Institute for Clinical and Economic Review, Boston, MA 02114, USA. spearson@icer-review.org
authors.forename: Steven D
authors.initials: SD
authors.lastname: Pearson
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000592:standards*