Drug-name familiarity and the placebo effect.
D003913:Dextroamphetamine / Q000494:pharmacology; D005246:Feedback; D006801:Humans; D008297:Male; D008568:Memory; D009048:Motor Skills / Q000187:drug effects; D004364:Pharmaceutical Preparations; D010919:Placebos; D013404:Suggestion; D009626:Terminology as Topic; D014796:Visual Perception / Q000187:drug effects; D014801:Vitamin A / Q000494:pharmacology
D004364:Pharmaceutical Preparations; D010919:Placebos; D014801:Vitamin A; D003913:Dextroamphetamine