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Gomes VH, Barbosa DJ, Motta AS, Corrêa CG, Moreno DJ, da Silva MF (November 2020). "Evaluation of nalbuphine, butorphanol and morphine in dogs during ovariohysterectomy and on early postoperative pain". Veterinary Anaesthesia and Analgesia. 47 (6): 803–809. doi:10.1016/j.vaa.2020.07.035. PMID32891492.
Trimble T, Bhalla RJ, Leece EA (September 2018). "Comparison of sedation in dogs: methadone or butorphanol in combination with dexmedetomidine intravenously". Veterinary Anaesthesia and Analgesia. 45 (5): 597–603. doi:10.1016/j.vaa.2018.03.008. PMID30077553.
Papastefanou AK, Galatos AD, Pappa E, Lymperis AG, Kostoulas P (November 2015). "The effect of butorphanol on the incidence of dexmedetomidine-induced emesis in cats". Veterinary Anaesthesia and Analgesia. 42 (6): 608–613. doi:10.1111/vaa.12260. PMID25819160.
Reed R, Trenholme N, Skrzypczak H, Chang K, Ishikawa Y, Barletta M, et al. (September 2022). "Comparison of hydromorphone and butorphanol for management of pain in equine patients undergoing elective arthroscopy: a randomized clinical trial". Veterinary Anaesthesia and Analgesia. 49 (5): 490–498. doi:10.1016/j.vaa.2022.05.006. PMID35752564. S2CID249353700.
Kalpravidh M, Lumb WV, Wright M, Heath RB (February 1984). "Analgesic effects of butorphanol in horses: dose-response studies". American Journal of Veterinary Research. 45 (2): 211–216. doi:10.2460/ajvr.1984.45.02.211. PMID6711944.
Taylor PM, Clark C, Whay HR, Murrell J, Love EJ (2009). "Analgesic effect of butorphanol in ponies following castration". Equine Veterinary Journal. 41 (6). Wiley: 552–556. doi:10.2746/042516409x391024. ISSN0425-1644. PMID19803050.
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Reed R, Trenholme N, Skrzypczak H, Chang K, Ishikawa Y, Barletta M, et al. (September 2022). "Comparison of hydromorphone and butorphanol for management of pain in equine patients undergoing elective arthroscopy: a randomized clinical trial". Veterinary Anaesthesia and Analgesia. 49 (5): 490–498. doi:10.1016/j.vaa.2022.05.006. PMID35752564. S2CID249353700.
Taylor PM, Clark C, Whay HR, Murrell J, Love EJ (2009). "Analgesic effect of butorphanol in ponies following castration". Equine Veterinary Journal. 41 (6). Wiley: 552–556. doi:10.2746/042516409x391024. ISSN0425-1644. PMID19803050.