Xuan Wang, Yu Zhang, Xiang Ren, Yuhao Zhang, Marinka Zitnik, Jingbo Shang, Curtis Langlotz, Jiawei Han,
Cross-type biomedical named entity recognition with deep multi-task learning. Bioinformatics. ,vol. 35, pp. 1745- 1752 ,(2019) ,
10.1093/BIOINFORMATICS/BTY869