title: An oral opiate antagonist in chronic schizophrenia: a pilot study.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009270:Naloxone / Q000031:analogs & derivatives*; D009271:Naltrexone / Q000008:administration & dosage / Q000627:therapeutic use*; D010865:Pilot Projects; D012559:Schizophrenia / Q000188:drug therapy*
chemical_list: D009270:Naloxone; D009271:Naltrexone