title: Narcotic discrimination in pigeons.
mesh_terms: D000818:Animals; D003000:Clonidine / Q000494:pharmacology; D003061:Codeine / Q000494:pharmacology; D010856:Columbidae; D003496:Cyclazocine / Q000031:analogs & derivatives / Q000494:pharmacology; D004193:Discrimination Learning / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D016314:Ethylketocyclazocine; D007649:Ketamine / Q000494:pharmacology; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009269:Nalorphine / Q000494:pharmacology; D009271:Naltrexone / Q000494:pharmacology; D009294:Narcotics / Q000494:pharmacology*; D010423:Pentazocine / Q000494:pharmacology; D010424:Pentobarbital / Q000494:pharmacology; D013045:Species Specificity
chemical_list: D009294:Narcotics; D016314:Ethylketocyclazocine; D009271:Naltrexone; D007649:Ketamine; D009020:Morphine; D008614:Meperidine; D010424:Pentobarbital; D003496:Cyclazocine; D003000:Clonidine; D010423:Pentazocine; D009269:Nalorphine; D003061:Codeine