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Kim SH, Chu HJ, Kang DH, Song GA, Cho M, Yang US, Kim HJ, Chung HY.Kim SH, et al. Among authors: song ga.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.
Heo J, Kim GH, Lee KS, Go WU, Ju HJ, Park SK, Song CS, Song GA, Cho M, Yang US, Moon HK, Kim YK.Heo J, et al. Among authors: song ga, song cs.Korean J Intern Med. 1997 Jun;12(2):193-200. doi: 10.3904/kjim.1997.12.2.193.Korean J Intern Med. 1997.PMID: 9439155Free 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: song ga.Taehan Kan Hakhoe Chi. 2003 Mar;9(1):1-9.Taehan Kan Hakhoe Chi. 2003.PMID: 12657823Korean.
Cho M, Seo SB, Heo J, Kim GH, Kang DH, Song GA, Yang US.Cho M, et al. Among authors: song ga.Korean J Gastroenterol. 2003 Aug;42(2):149-55.Korean J Gastroenterol. 2003.PMID: 14532720Korean.
Heo JH, Heo J, Kwon DS, Moon JH, Kim GH, Kang DH, Song GA, Cho M, Yang US.Heo JH, et al. Among authors: song ga.Korean J Gastroenterol. 2003 Sep;42(3):220-5.Korean J Gastroenterol. 2003.PMID: 14532744Korean.
Heo J, Baik TH, Kim HH, Kim GH, Kang DH, Song GA, Cho M, Yang US.Heo J, et al. Among authors: song ga.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.
Chu HJ, Heo J, Seo SB, Kim GH, Kang DH, Song GA, Cho M, Yang US.Chu HJ, et al. Among authors: song ga.J Korean Med Sci. 2004 Feb;19(1):83-6. doi: 10.3346/jkms.2004.19.1.83.J Korean Med Sci. 2004.PMID: 14966347Free PMC article.
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: song ga.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.
Kim GH, Kang DH, Lee DH, Heo J, Song GA, Cho M, Yang US.Kim GH, et al. Among authors: song ga.Scand J Gastroenterol. 2004 Oct;39(10):1010-4. doi: 10.1080/00365520410003146.Scand J Gastroenterol. 2004.PMID: 15513343
Kim GH, Song GA, Park DY, Lee DH, Kim TO, Lee SH, Heo J, Kang DH, Cho M.Kim GH, et al. Among authors: song ga.Korean J Intern Med. 2005 Sep;20(3):191-7. doi: 10.3904/kjim.2005.20.3.191.Korean J Intern Med. 2005.PMID: 16295776Free PMC article.