@InProceedings{vanderwende-xia-yetisgenyildiz:2013:EVENTS,
  author    = {Vanderwende, Lucy  and  Xia, Fei  and  Yetisgen-Yildiz, Meliha},
  title     = {Annotating Change of State for Clinical Events},
  booktitle = {Workshop on Events: Definition, Detection, Coreference, and Representation},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia},
  publisher = {Association for Computational Linguistics},
  pages     = {47--51},
  url       = {http://www.aclweb.org/anthology/W13-1206}
}