title: Failure of naloxone to prevent reduction of amnesia by enkephalins.
mesh_terms: D000647:Amnesia / Q000188:drug therapy*; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects; D004723:Endorphins / Q000627:therapeutic use*; D004745:Enkephalins / Q000037:antagonists & inhibitors / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology*; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone