@article{yuan_2016,  title={Eisenmenger Syndrome in Pregnancy},  volume={31},  ISSN={0102-7638},  url={https://doi.org/10.5935/1678-9741.20160062},  DOI={10.5935/1678-9741.20160062},  number={4},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Yuan, Shi-Min},  year={2016},  month={Jul},  pages={325–329} }