@article {1499418,
	title = {An automatic system to identify heart disease risk factors in clinical texts over time },
	journal = {Journal of Biomedical Informatics},
	volume = {58},
	number = {Supplement},
	year = {2015},
	pages = {S158-S163},
	url = {https://doi.org/10.1016/j.jbi.2015.09.002},
	author = {Qingcai Chen and Haodi Li and Buzhou Tang and Xiaolong Wang and Liu, Xin and Zengjian Liu and Shu Liu and Weida Wang and Qiwen Deng and Suisong Zhu and Yangxin Chen and Wang, Jingfeng}
}
