title: Naloxone reduces cigarette smoking.
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009270:Naloxone / Q000627:therapeutic use*; D010919:Placebos; D012907:Smoking
chemical_list: D010919:Placebos; D009270:Naloxone