Placebo surgery in trials of therapy for Parkinson's disease.
Freed
C R
CR
Breeze
R E
RE
Fahn
S
S
D004311:Double-Blind Method; D004992:Ethics, Medical; D016332:Fetal Tissue Transplantation; D006801:Humans; D010300:Parkinson Disease / Q000601:surgery*; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012306:Risk
D010919:Placebos