James R. Campbell, Walter S. Campbell, Hubert Hickman, Jay Pedersen, James C. McClay. Employing complex polyhierarchical ontologies and promoting interoperability of i2b2 data systems. In AMIA 2015, American Medical Informatics Association Annual Symposium, San Francisco, CA, USA, November 14-18, 2015. AMIA, 2015. [doi]
Abstract is missing.