RAM, R P; DASS, L L; SHARMA, A K. Ketamine and its combination with pentazocine and meperidine for epidural anaesthesia in dogs. The Indian Journal of Animal Sciences, Delhi, India, v. 84, n. 9, p. 944–948, 2014. DOI: 10.56093/ijans.v84i9.43512. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/43512. Acesso em: 24 jun. 2026.