Diane E. Oliver Daniel L. Rubin Joshua M. Stuart Micheal Hewett Teri E. Klein Russ B. Altman Ontology Development for a Pharmacogenetics Knowledge Base. 65-76 2002 Pacific Symposium on Biocomputing http://helix-web.stanford.edu/psb02/oliver.pdf db/conf/psb/psb2002.html#OliverRSHKA02