@proceedings{ws-2009-biomedical,
    title = "Proceedings of the Workshop on Biomedical Information Extraction",
    editor = "Savova, Guergana  and
      Karkaletsis, Vangelis  and
      Angelova, Galia",
    month = sep,
    year = "2009",
    address = "Borovets, Bulgaria",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-4500/"
}