An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kim HJ, Lee SK, Kim MH, Yoo KS, Lim BC, Seo DW, Min YI.Kim HJ, et al. Among authors: yoo ks.Gastrointest Endosc. 2000 Nov;52(5):645-9. doi: 10.1067/mge.2000.107286.Gastrointest Endosc. 2000.PMID: 11060190Clinical Trial.
Song HK, Kim MH, Myung SJ, Lee SK, Kim HJ, Yoo KS, Seo DW, Lee HJ, Lim BC, Min YI.Song HK, et al. Among authors: yoo ks.Korean J Intern Med. 1999 Jul;14(2):1-8. doi: 10.3904/kjim.1999.14.2.1.Korean J Intern Med. 1999.PMID: 10461418Free PMC article.
Shin WG, Park CH, Lee YS, Kim KO, Yoo KS, Kim JH, Park CK.Shin WG, et al. Among authors: yoo ks.Korean J Intern Med. 2007 Mar;22(1):13-7. doi: 10.3904/kjim.2007.22.1.13.Korean J Intern Med. 2007.PMID: 17427639Free PMC article.
Lee SK, Seo DW, Myung SJ, Park ET, Lim BC, Kim HJ, Yoo KS, Park HJ, Joo YH, Kim MH, Min YI.Lee SK, et al. Among authors: yoo ks.Gastrointest Endosc. 2001 Mar;53(3):318-23. doi: 10.1016/s0016-5107(01)70405-1.Gastrointest Endosc. 2001.PMID: 11231390
Kim HJ, Kim MH, Kim DI, Lee HJ, Myung SJ, Yoo KS, Park ET, Lim BC, Seo DW, Lee SK, Min YI.Kim HJ, et al. Among authors: yoo ks.Endoscopy. 1999 Aug;31(6):431-6. doi: 10.1055/s-1999-42.Endoscopy. 1999.PMID: 10494680Clinical Trial.
Yoo KS, Choi HS, Jun DW, Lee HL, Lee OY, Yoon BC, Lee KG, Paik SS, Kim YS, Lee J.Yoo KS, et al.Gut Liver. 2016 Sep 15;10(5):851-8. doi: 10.5009/gnl15600.Gut Liver. 2016.PMID: 27563024Free PMC article.