title: Psychophysiological variability: repeated measurement design on a schizophrenic population.
mesh_terms: D002908:Chronic Disease; D005712:Galvanic Skin Response; D006339:Heart Rate; D006801:Humans; D008297:Male; D010919:Placebos; D010991:Plethysmography; D011603:Psychophysiology; D012559:Schizophrenia / Q000503:physiopathology*
chemical_list: D010919:Placebos