The following publications are possibly variants of this publication:
- Auditing SNOMED Relationships Using a Converse Abstraction NetworkDuo Wei, Michael Halper, Gai Elhanan, Yan Chen, Yehoshua Perl, James Geller, Kent A. Spackman. amia 2009: [doi]
- Auditing complex concepts of SNOMED using a refined hierarchical abstraction networkYue Wang, Michael Halper, Duo Wei, Huanying Gu, Yehoshua Perl, Junchuan Xu, Gai Elhanan, Yan Chen, Kent A. Spackman, James T. Case, George Hripcsak. jbi, 45(1):1-14, 2012. [doi]