Efficacy of use of tramadol in analgesia of prepubertal queens submitted to ovaryhysterectomy. Veterinária Notícias, Uberlândia, Brazil, v. 24, n. 2, p. 1, 2019. DOI: 10.14393/24271792. Disponível em: https://seer.ufu.br/index.php/vetnot/article/view/40250. Acesso em: 5 dec. 2025.