title: Studies of kappa agonist.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000378:metabolism; D003496:Cyclazocine / Q000031:analogs & derivatives* / Q000494:pharmacology; D004744:Enkephalin, Methionine / Q000031:analogs & derivatives / Q000378:metabolism; D004745:Enkephalins; D016314:Ethylketocyclazocine / Q000031:analogs & derivatives*; D006801:Humans; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D011957:Receptors, Opioid / Q000187:drug effects / Q000378:metabolism*; D017473:Receptors, Opioid, kappa
chemical_list: D004745:Enkephalins; D011957:Receptors, Opioid; D017473:Receptors, Opioid, kappa; D009270:Naloxone; D004744:Enkephalin, Methionine; D016314:Ethylketocyclazocine; C012395:ketazocine; D009020:Morphine; C045617:BW 942C; D003496:Cyclazocine