@inproceedings{mowery-etal-2009-distinguishing,
    title = "Distinguishing Historical from Current Problems in Clinical Reports {--} Which Textual Features Help?",
    author = "Mowery, Danielle  and
      Harkema, Henk  and
      Dowling, John  and
      Lustgarten, Jonathan  and
      Chapman, Wendy",
    editor = "Cohen, K. Bretonnel  and
      Demner-Fushman, Dina  and
      Ananiadou, Sophia  and
      Pestian, John  and
      Tsujii, Jun{'}ichi  and
      Webber, Bonnie",
    booktitle = "Proceedings of the {B}io{NLP} 2009 Workshop",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-1302",
    pages = "10--18",
}