Cardiopulmonary and acid-base effects of tramadol in cats anesthetized with sevoflurane . Bioscience Journal, Uberlândia, MG, v. 32, n. 3, p. 684–690, 2016. DOI: 10.14393/BJ-v32n3a2016-29890. Disponível em: https://seer.ufu.br/index.php/biosciencejournal/article/view/29890. Acesso em: 17 dec. 2025.