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Chiaravalloti, M.T.; Pasceri, E.; Taverniti, M.: URT "Indexing and Classification Systems" Projects and biomedical knowledge standards (2012)
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Fenstermacher, D.A.: Introduction to bioinformatics. (2005)
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Nelson, S.J.; Powell, T.; Srinivasan, S.; Humphreys, B.L.: Unified Medical Language System® (UMLS®) Project (2009)
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Bodenreider, O.; Bean, C.A.: Relationships among knowledge structures : vocabulary integration within a subject domain (2001)
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Harpring, P.: Introduction to controlled vocabularies : terminology for art, architecture, and other cultural works (2010)
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