Justifying placebo use in clinical trials.
Bliss
Mary
M
D001458:Bandages; D002986:Clinical Trials as Topic / Q000379:methods* / Q000592:standards; D006801:Humans; D010919:Placebos / Q000008:administration & dosage*; D003668:Pressure Ulcer / Q000628:therapy*
D010919:Placebos