We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDescription of a rule-based system for the i2b2 challenge in natural language processing for clinical data.AuthorsChilds LC; Enelow R; Simonsen L; Heintzelman NH; Kowalski KM; Taylor RJPublicationJournal of the American Medical Informatics Association : JAMIA, 2009, Vol 16, Issue 4, p571ISSN1067-5027Publication typearticleDOI10.1197/jamia.M3083