RAJ, HANS; AMARPA, AMARPA; SINGH, G R; AITHAL, H P. Postoperative pain management in dogs: Efficacy of pre-emptive analgesia with lignocaine and ketamine. The Indian Journal of Animal Sciences, Delhi, India, v. 70, n. 4, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/35737. Acesso em: 23 oct. 2025.