@article{hong_dong_jiang_zhu_jin_2011,  title={Prediction of large esophageal varices in cirrhotic patients using classification and regression tree analysis},  volume={66},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322011000100021},  DOI={10.1590/S1807-59322011000100021},  number={1},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Hong, Wan-dong and Dong, Le-mei and Jiang, Zen-cai and Zhu, Qi-huai and Jin, Shu-Qing},  year={2011},  pages={119–124} }