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Choi CW, Hwang JH, Chang YS, Shin SM, Park WS, Lee M.Choi CW, et al. Among authors: hwang jh.J Korean Med Sci. 2004 Jun;19(3):413-8. doi: 10.3346/jkms.2004.19.3.413.J Korean Med Sci. 2004.PMID: 15201509Free PMC article.
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