@InProceedings{christensen-haug-fiszman:2002:ACL02-NLPBD,
  author    = {Lee Christensen  and  Peter Haug  and  Marcelo Fiszman},
  title     = {MPLUS: a probabilistic medical language understanding system},
  booktitle = {Proceedings of the ACL-02 Workshop on Natural Language Processing in the Biomedical Domain},
  month     = {July},
  year      = {2002},
  address   = {Phildadelphia, Pennsylvania, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {29--36},
  url       = {http://www.aclweb.org/anthology/W02-0305},
  doi       = {10.3115/1118149.1118154}
}