title: Long term treatment of chronic schizophrenia; a lack of controls.
mesh_terms: D000293:Adolescent; D000328:Adult; D002986:Clinical Trials as Topic; D006801:Humans; D008297:Male; D010919:Placebos; D011613:Psychotherapy; D012559:Schizophrenia / Q000628:therapy*; D013881:Thioridazine / Q000627:therapeutic use
chemical_list: D010919:Placebos; D013881:Thioridazine