Gouvêa Almeida, G. L. .; Barbosa de Almeida, M. .; Mendes dos Santos , A. C. .; Vargas, Ângela .; Duarte Reis, V. . Reversible Third-Degree Atrioventricular Block in a Poodle-Toy With Degenerative Mitral Valve Disease and Pyometra. Braz. J. Vet. Med. 2021, 42, e109920.