title: A double-blind trial of amitriptyline/perphenazine, perphenazine and placebo in chronic withdrawn inert schizophrenics.
mesh_terms: D000328:Adult; D000339:Affect / Q000187:drug effects; D000639:Amitriptyline / Q000009:adverse effects / Q000627:therapeutic use*; D000704:Analysis of Variance; D001835:Body Weight; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003702:Delusions; D006778:Hospitals, Psychiatric; D006801:Humans; D008297:Male; D008875:Middle Aged; D010546:Perphenazine / Q000009:adverse effects / Q000627:therapeutic use*; D010919:Placebos; D012559:Schizophrenia / Q000097:blood / Q000188:drug therapy*; D013060:Speech / Q000187:drug effects
chemical_list: D010919:Placebos; D000639:Amitriptyline; D010546:Perphenazine