title: Conditioned aversion during morphine maintenance in mice and rats.
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D001835:Body Weight / Q000187:drug effects; D003214:Conditioning, Classical / Q000187:drug effects*; D004305:Dose-Response Relationship, Drug; D004326:Drinking; D004361:Drug Tolerance; D006801:Humans; D008297:Male; D051379:Mice; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology*; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D012439:Saccharin; D013375:Substance Withdrawal Syndrome; D014867:Water
chemical_list: D014867:Water; D009270:Naloxone; D009020:Morphine; D012439:Saccharin