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Jung JY, Oh YH, Oh KS, Suh DW, Shin YC, Kim HJ.Jung JY, et al. Among authors: oh ks, oh yh.Yonsei Med J. 2007 Jun 30;48(3):371-8. doi: 10.3349/ymj.2007.48.3.371.Yonsei Med J. 2007.PMID: 17594143Free PMC article.