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Lee SY, Park HS, Yu SK, Sung IK, Jin CJ, Choe WH, Kwon SY, Lee CH, Choi KW.Lee SY, et al. Among authors: kwon sy.Hepatogastroenterology. 2007 Mar;54(74):630-3.Hepatogastroenterology. 2007.PMID: 17523338
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Lee SY, Kim JH, Sung IK, Park HS, Jin CJ, Choe WH, Kwon SY, Lee CH, Choi KW.Lee SY, et al. Among authors: kwon sy.J Korean Med Sci. 2007 Oct;22(5):851-4. doi: 10.3346/jkms.2007.22.5.851.J Korean Med Sci. 2007.PMID: 17982234Free PMC article.
Moon HW, Cho JH, Hur M, Yun YM, Choe WH, Kwon SY, Lee CH.Moon HW, et al. Among authors: kwon sy.World J Gastroenterol. 2010 Mar 7;16(9):1115-8. doi: 10.3748/wjg.v16.i9.1115.World J Gastroenterol. 2010.PMID: 20205283Free PMC article.
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Ahn SH, Park YK, Park ES, Kim JH, Kim DH, Lim KH, Jang MS, Choe WH, Ko SY, Sung IK, Kwon SY, Kim KH.Ahn SH, et al. Among authors: kwon sy.J Virol. 2014 Jun;88(12):6805-18. doi: 10.1128/JVI.00635-14. Epub 2014 Apr 2.J Virol. 2014.PMID: 24696492Free PMC article.