title: A double blind controlled trial of thiothixene and perphenazine in chronic schizophrenics shown to require maintenance therapy.
mesh_terms: D000367:Age Factors; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D005260:Female; D006760:Hospitalization; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D010546:Perphenazine / Q000627:therapeutic use*; D010919:Placebos; D011569:Psychiatric Status Rating Scales; D012008:Recurrence; D012559:Schizophrenia / Q000175:diagnosis / Q000188:drug therapy*; D013888:Thiothixene / Q000627:therapeutic use
chemical_list: D010919:Placebos; D013888:Thiothixene; D010546:Perphenazine