Proceedings of the 2013 Workshop on Biomedical Natural Language Processing Kevin Bretonnel Cohen editor Dina Demner-Fushman editor Sophia Ananiadou editor John Pestian editor Jun’ichi Tsujii editor 2013-08 Association for Computational Linguistics Sofia, Bulgaria text conference publication bionlp-2013-19 https://aclanthology.org/W13-1900/