The use of etorphine hydrochloride for restraint of a domesticated elephant (Elephas maximus).
D000374:Aggression / Q000187:drug effects*; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D004606:Elephants; D006801:Humans; D008297:Male; D009019:Morphinans / Q000037:antagonists & inhibitors / Q000494:pharmacology*
D009019:Morphinans