ChenGPG09'

@article{DBLP:journals/jbi/ChenGPG09,
  author    = {Yan Chen and
               Huanying Helen Gu and
               Yehoshua Perl and
               James Geller},
  title     = {Structural group-based auditing of missing hierarchical
               relationships in UMLS},
  journal   = {Journal of Biomedical Informatics},
  volume    = {42},
  number    = {3},
  year      = {2009},
  pages     = {452-467},
  ee        = {http://dx.doi.org/10.1016/j.jbi.2008.08.006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}