@article{fei_liu_gao_xue_tang_tu_wang_li_2018,  title={Analysis of influencing factors of severity in acute pancreatitis using big data mining},  volume={64},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.64.05.454},  DOI={10.1590/1806-9282.64.05.454},  number={5},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Fei, Yang and Liu, Xiao-qiang and Gao, Kun and Xue, Cheng-bin and Tang, Liang and Tu, Jian-feng and Wang, Wei and Li, Wei-qin},  year={2018},  month={May},  pages={454–461} }