title: A placebo-controlled clinical study with trazodone in schizophrenic patients.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010879:Piperazines / Q000627:therapeutic use*; D010919:Placebos; D012559:Schizophrenia / Q000188:drug therapy*; D014196:Trazodone / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D010919:Placebos; D014196:Trazodone