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 DG, Choi YY, An JY, Kwon IG, Cho I, Kim YM, Bae JM, Song MG, Noh SH.Kim DG, et al. Among authors: kwon ig.Surg Endosc. 2013 Sep;27(9):3153-61. doi: 10.1007/s00464-013-2869-8. Epub 2013 Mar 14.Surg Endosc. 2013.PMID: 23494509Review.
Choi YY, An JY, Cho I, Kwon IG, Kang DR, Hyung WJ, Noh SH.Choi YY, et al. Among authors: kwon ig.Yonsei Med J. 2014 Jan;55(1):61-9. doi: 10.3349/ymj.2014.55.1.61.Yonsei Med J. 2014.PMID: 24339288Free PMC article.
Kwon IG, Cho I, Guner A, Choi YY, Shin HB, Kim HI, An JY, Cheong JH, Noh SH, Hyung WJ.Kwon IG, et al.Surg Endosc. 2014 Aug;28(8):2452-8. doi: 10.1007/s00464-014-3496-8. Epub 2014 Mar 13.Surg Endosc. 2014.PMID: 24622766