title: Piperidine in chronic schizophrenic patients: a controlled double-blind study.
mesh_terms: D010054:Brief Psychiatric Rating Scale; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D010880:Piperidines / Q000627:therapeutic use*; D010919:Placebos; D012559:Schizophrenia / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D010880:Piperidines; D010919:Placebos