@InProceedings{peng-EtAl:2015:BioNLP15,
  author    = {Peng, Yifan  and  Gupta, Samir  and  Wu, Cathy  and  Shanker, Vijay},
  title     = {An extended dependency graph for relation extraction in biomedical texts},
  booktitle = {Proceedings of BioNLP 15},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  pages     = {21--30},
  url       = {http://www.aclweb.org/anthology/W15-3803}
}