title: Aversive properties of narcotic antagonists in rats.
mesh_terms: D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D001575:Benzomorphans / Q000031:analogs & derivatives / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology*; D051381:Rats; D013649:Taste
chemical_list: D001575:Benzomorphans; D009292:Narcotic Antagonists; D009270:Naloxone