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McCray, A.T.: UMLS knowledge for biomedical language processing (1993)
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McCray, A.T.: Natural language research program (1992)
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McCray, A.T.; Nelson, S.J.: ¬The representation of meaning in the UMLS (1995)
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McCray, A.T.; Bodenreider, O.: ¬A conceptual framework for the biomedical domain (2002)
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