Reference Base Intravenous butorphanol improves mixed venous oxygen cont...
Boesch, J.M.; Gleed, R.D. ; Buss, P. ; Tordiffe, A.; Zeiler, G.; Miller, M.; Meyer, L.C.R., 2020. Intravenous butorphanol improves mixed venous oxygen content in etorphine-immobilized white rhinoceros (Ceratotherium simum) primarily by decreasing tissue oxygen consumption rather than by increasing tissue oxygen delivery. Proceedings of the American Association of Zoo Veterinarians (AAZV) 2020: 94-95