title: Rapid acquisition of conditioned responses to hydromorphone in detoxified heroin addicts.
mesh_terms: D003214:Conditioning, Classical / Q000187:drug effects*; D006556:Heroin Dependence / Q000523:psychology*; D006801:Humans; D004091:Hydromorphone / Q000494:pharmacology*; D008297:Male
chemical_list: D004091:Hydromorphone