@article{yuan_2016,  title={Valvular Disorders in Carcinoid Heart Disease},  volume={31},  ISSN={0102-7638},  url={https://doi.org/10.5935/1678-9741.20160079},  DOI={10.5935/1678-9741.20160079},  number={5},  journal={Brazilian Journal of Cardiovascular Surgery},  publisher={Sociedade Brasileira de Cirurgia Cardiovascular},  author={Yuan, Shi-Min},  year={2016},  month={Sep},  pages={400–405} }