The cough suppressant effect of heroin and codeine: a controlled clinical study.
D000996:Antitussive Agents; D035843:Biomedical Research; D003061:Codeine / Q000628:therapy*; D003371:Cough / Q000628:therapy*; D003932:Heroin / Q000628:therapy*; D006801:Humans; D012107:Research Design
D000996:Antitussive Agents; D003932:Heroin; D003061:Codeine
CODEINE/therapy; COUGH/therapy; DIACETYLMORPHINE/therapy