title: Comparison of the behavioral effects of beta-endorphin and enkephalin analogs.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000494:pharmacology*; D005048:Etorphine / Q000494:pharmacology; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D009043:Motor Activity / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology; D009842:Oligopeptides / Q000494:pharmacology*; D010455:Peptides / Q000494:pharmacology*; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009842:Oligopeptides; D010455:Peptides; D009270:Naloxone; D005048:Etorphine; D009020:Morphine