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Barbier EL, Silva AC, Kim HJ, Williams DS, Koretsky AP.Barbier EL, et al. Among authors: silva ac.Magn Reson Med. 1999 Feb;41(2):299-308. doi: 10.1002/(sici)1522-2594(199902)41:2<299::aid-mrm13>3.0.co;2-r.Magn Reson Med. 1999.PMID: 10080277Free article.