Al Bayati, M.T.N. 2015. A Comparative Study Between of Effect of Tramadol and Xylazine as Premedication Those Followed by Ketamine Anesthesia in Dogs. Kufa Journal for Veterinary Medical Sciences. 6, 2 (Dec. 2015), 177–182. DOI:https://doi.org/10.36326/kjvs/2015/v6i23982.