title: Intermittent pharmacotherapy in chronic schizophrenia.
mesh_terms: D002746:Chlorpromazine / Q000008:administration & dosage* / Q000627:therapeutic use; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003365:Costs and Cost Analysis; D006787:Hospitals, Veterans; D006801:Humans; D008297:Male; D008875:Middle Aged; D010546:Perphenazine / Q000008:administration & dosage* / Q000627:therapeutic use; D010919:Placebos; D011567:Psychiatric Department, Hospital; D012559:Schizophrenia / Q000188:drug therapy*; D013881:Thioridazine / Q000008:administration & dosage* / Q000627:therapeutic use; D013997:Time Factors; D014268:Trifluoperazine / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D010919:Placebos; D014268:Trifluoperazine; D010546:Perphenazine; D013881:Thioridazine; D002746:Chlorpromazine