Citation:Uzuner Ö, South BR, Shen S, DuVall SL. 2010 i2b2/VA challenge on concepts, assertions, and relations in clinical text [Internet]. Journal of the American Medical Informatics Association 2011;18(5):552-556.Download CitationBibTex Tagged XML https://doi.org/10.1136/amiajnl-2011-000203See also: 2010 - Relations