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Kwak JM, Kim SH, Kim J, Son DN, Baek SJ, Cho JS.Kwak JM, et al. Among authors: baek sj.Dis Colon Rectum. 2011 Feb;54(2):151-6. doi: 10.1007/DCR.0b013e3181fec4fd.Dis Colon Rectum. 2011.PMID: 21228661
Son DN, Choi DJ, Woo SU, Kim J, Keom BR, Kim CH, Baek SJ, Kim SH.Son DN, et al. Among authors: baek sj.World J Gastroenterol. 2013 Jan 28;19(4):542-9. doi: 10.3748/wjg.v19.i4.542.World J Gastroenterol. 2013.PMID: 23382634Free PMC article.