title: Castration of an Asian elephant, using etorphine anesthesia.
mesh_terms: D000768:Anesthesia, General / Q000662:veterinary*; D000771:Anesthesia, Intravenous / Q000662:veterinary; D000777:Anesthetics; D000818:Animals; D000836:Animals, Zoo; D002245:Carbon Dioxide / Q000097:blood; D002369:Castration / Q000662:veterinary*; D004562:Electrocardiography; D004606:Elephants / Q000502:physiology*; D006339:Heart Rate; D006863:Hydrogen-Ion Concentration; D007273:Injections, Intramuscular; D007442:Intubation, Intratracheal; D008297:Male; D008722:Methods; D009019:Morphinans / Q000008:administration & dosage; D010100:Oxygen / Q000097:blood; D000439:Pentanols / Q000008:administration & dosage; D012119:Respiration; D013737:Testis / Q000033:anatomy & histology
chemical_list: D000777:Anesthetics; D009019:Morphinans; D000439:Pentanols; D002245:Carbon Dioxide; D010100:Oxygen