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Kim GH, Kang DH, Lee DH, Heo J, Song GA, Cho M, Yang US.Kim GH, et al. Among authors: yang us.Scand J Gastroenterol. 2004 Oct;39(10):1010-4. doi: 10.1080/00365520410003146.Scand J Gastroenterol. 2004.PMID: 15513343
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Heo JH, Heo J, Kwon DS, Moon JH, Kim GH, Kang DH, Song GA, Cho M, Yang US.Heo JH, et al. Among authors: yang us.Korean J Gastroenterol. 2003 Sep;42(3):220-5.Korean J Gastroenterol. 2003.PMID: 14532744Korean.
Kim HW, Kim GH, Cheong JY, Yang US, Park SK, Song CS, Kang DH, Song GA.Kim HW, et al. Among authors: yang us.World J Gastroenterol. 2008 Feb 14;14(6):908-12. doi: 10.3748/wjg.14.908.World J Gastroenterol. 2008.PMID: 18240348Free PMC article.Clinical Trial.
Kim GH, Lee DH, Kim HW, Cheong JY, Seo SB, Heo J, Kang DH, Song GA, Cho M, Yang US, Park DY, Yoo MA.Kim GH, et al. Among authors: yang us.Korean J Intern Med. 2005 Dec;20(4):317-24. doi: 10.3904/kjim.2005.20.4.317.Korean J Intern Med. 2005.PMID: 16491830Free PMC article.
Kim SH, Chu HJ, Kang DH, Song GA, Cho M, Yang US, Kim HJ, Chung HY.Kim SH, et al. Among authors: yang us.J Korean Med Sci. 2002 Apr;17(2):193-200. doi: 10.3346/jkms.2002.17.2.193.J Korean Med Sci. 2002.PMID: 11961302Free PMC article.
Shin YM, Heo J, Kim GH, Kang DH, Song GA, Cho M, Yang US, Kim CM, Park HK, Jang HJ.Shin YM, et al. Among authors: yang us.Taehan Kan Hakhoe Chi. 2003 Mar;9(1):1-9.Taehan Kan Hakhoe Chi. 2003.PMID: 12657823Korean.
Heo J, Baik TH, Kim HH, Kim GH, Kang DH, Song GA, Cho M, Yang US.Heo J, et al. Among authors: yang us.J Korean Med Sci. 2003 Oct;18(5):686-90. doi: 10.3346/jkms.2003.18.5.686.J Korean Med Sci. 2003.PMID: 14555821Free PMC article.
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Heo J, Cho M, Kim HH, Shin YM, Jang HJ, Park HK, Kim CM, Kim GH, Kang DH, Song GA, Yang US.Heo J, et al. Among authors: yang us.J Korean Med Sci. 2004 Aug;19(4):541-6. doi: 10.3346/jkms.2004.19.4.541.J Korean Med Sci. 2004.PMID: 15308845Free PMC article.