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Zhang L, Perl Y, Halper M, Geller J, Cimino JJ.Zhang L, et al. Among authors: halper m.J Am Med Inform Assoc. 2004 May-Jun;11(3):195-206. doi: 10.1197/jamia.M1269. Epub 2004 Feb 5.J Am Med Inform Assoc. 2004.PMID: 14764611Free PMC article.
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