@article{nina_machado_mendes_lopes_2006,  title={Mixossarcoma atrial esquerdo: relato de caso},  volume={21},  ISSN={0102-7638},  url={https://doi.org/10.1590/S0102-76382006000100018},  DOI={10.1590/S0102-76382006000100018},  number={1},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Nina, Vinicius José da Silva and Machado, Alyssandra Raulino de Almeida and Mendes, Vinícius Giuliano Gonçalves and Lopes, José Anselmo Cordeiro},  year={2006},  month={Jan},  pages={98–101} }