Rats were anaesthetized with a mixture of medetomidine hydrochloride and ketamine. (journals.plos.org)
Postoperative pain control in cats: clinical trials with medetomidine and butorphanol. (littlebigcat.com)
A combination of medetomidine (M, 100 μg / kg), ketamine (K, 10 mg / kg) and buprenorphine (B, 10 μg / kg), administered by intramuscular injection, was evaluated for spaying and castration (neutering) of feral cats (n = 101). (ocgainesville.org)