title: Three-way drug discrimination in post-addict volunteers: hydromorphone, pentazocine, and saline.
mesh_terms: D004192:Discrimination, Psychological; D004305:Dose-Response Relationship, Drug; D006801:Humans; D004091:Hydromorphone / Q000494:pharmacology*; D008297:Male; D010423:Pentazocine / Q000494:pharmacology*; D010919:Placebos; D019966:Substance-Related Disorders / Q000503:physiopathology* / Q000534:rehabilitation
chemical_list: D010919:Placebos; D004091:Hydromorphone; D010423:Pentazocine