The placebo efficacy study: problems with the definition of the placebo and the mechanisms of placebo efficacy.
Wickramasekera
I
I
Saybrook Graduate School, San Francisco, CA, USA.
D018849:Controlled Clinical Trials as Topic; D006801:Humans; D015990:Placebo Effect; D010919:Placebos; D012107:Research Design; D009626:Terminology as Topic
D010919:Placebos