1. Anesthetic management of Dromedary Camels;Alsobayil;Compendium,1999
2. Unilateral cataract with lens coloboma and bilateral corneal edema in a guanaco;Barrie;J. Am Vet. Med. Assoc.,1978
3. Standing castration of the llama using butorphanol tartrate and local anesthesia;Barrington;Equine Pract.,1993
4. Clinical trials of halothane anesthesia in a camel (Camelus dromedaries);Bhargava;Indian Vet. J.,1969
5. Pharmacokinetics and pharmacodynamics of butorphanol in llamas after intravenous and intramuscular administration;Carroll;J. Am. Vet. Med. Assoc.,2001