SITOMPUL, Y. Y. .; NAINGGOLAN, W. M. .; O’HAGAN, B. . A case of acquired idiopathic megaoesophagus in a dog: the use of sildenafil as treatment. The Thai Journal of Veterinary Medicine, [S. l.], v. 51, n. 4, p. 779–782, 2021. Disponível em: https://he01.tci-thaijo.org/index.php/tjvm/article/view/253036. Acesso em: 23 apr. 2024.