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Missing lateral relationships in top-level concepts of an ontology.
Zheng L, Chen Y, Min H, Hildebrand PL, Liu H, Halper M, Geller J, de Coronado S, Perl Y. Zheng L, et al. Among authors: chen y. BMC Med Inform Decis Mak. 2020 Dec 15;20(Suppl 10):305. doi: 10.1186/s12911-020-01319-3. BMC Med Inform Decis Mak. 2020. PMID: 33319709 Free PMC article.
Structural methodologies for auditing SNOMED.
Wang Y, Halper M, Min H, Perl Y, Chen Y, Spackman KA. Wang Y, et al. Among authors: chen y. J Biomed Inform. 2007 Oct;40(5):561-81. doi: 10.1016/j.jbi.2006.12.003. Epub 2006 Dec 24. J Biomed Inform. 2007. PMID: 17276736 Free article.
Structural measures to track the evolution of SNOMED CT hierarchies.
Wei D, Helen Gu H, Perl Y, Halper M, Ochs C, Elhanan G, Chen Y. Wei D, et al. Among authors: chen y. J Biomed Inform. 2015 Oct;57:278-87. doi: 10.1016/j.jbi.2015.08.001. Epub 2015 Aug 7. J Biomed Inform. 2015. PMID: 26260003 Free PMC article.
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