@article{cavalcanti_tatibana_varaschin_araújo_val_2011,  title={Atrial septal defect in an elderly dog},  volume={63},  ISSN={0102-0935},  url={https://doi.org/10.1590/S0102-09352011000200033},  DOI={10.1590/S0102-09352011000200033},  number={2},  journal={Arquivo Brasileiro de Medicina Veterinária e Zootecnia},  publisher={Universidade Federal de Minas Gerais, Escola de Veterinária},  author={Cavalcanti, G.A.O. and Tatibana, L.S. and Varaschin, M.S. and Araújo, R.B. and Val, A.P. Costa},  year={2011},  month={Apr},  pages={503–507} }