Ugwu N, Eze C, Udegbunam R. Assessment of the analgesic potency of constant rate infusion of tramadol hydrochloride and as an adjunct to ketoprofen in laparotomized bitches. Sokoto J. Vet. Sc. [Internet]. 2017 Sep. 19 [cited 2026 Oct. 6];15(4):80-7. Available from: https://www.ajol.info/index.php/sokjvs/article/view/161337