@inproceedings{xu-etal-2019-doubletransfer, title = "{D}ouble{T}ransfer at {MEDIQA} 2019: Multi-Source Transfer Learning for Natural Language Understanding in the Medical Domain", author = "Xu, Yichong and Liu, Xiaodong and Li, Chunyuan and Poon, Hoifung and Gao, Jianfeng", editor = "Demner-Fushman, Dina and Cohen, Kevin Bretonnel and Ananiadou, Sophia and Tsujii, Junichi", booktitle = "Proceedings of the 18th BioNLP Workshop and Shared Task", month = aug, year = "2019", address = "Florence, Italy", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W19-5042/", doi = "10.18653/v1/W19-5042", pages = "399--405" }