Valerie J. Harvey, Constance M. Ruzich, Jeanne M. Baugh, Bruce Johnston, Arthur J. Grant. The Challenge of Negation in Health Care Searches and Queries. In AMIA 2003, American Medical Informatics Association Annual Symposium, Washington, DC, USA, November 8-12, 2003. AMIA, 2003. [doi]
Abstract is missing.