MALIK, V, et al. “Continuous Intravenous Infusion Anaesthesia With Ketamine in Medetomidine, Midazolam, Butorphanol Premedicated and Thiopental Induced Buffaloes”. The Indian Journal of Animal Sciences, vol. 81, no. 2, Feb. 2011, https://doi.org/10.56093/ijans.v81i2.4013.