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.
Yi JW, Oh EM, Lee KE, Choi JY, Koo do H, Kim KJ, Jung KC, Kim SY, Youn YK.Yi JW, et al. Among authors: choi jy.J Korean Surg Soc. 2012 Jun;82(6):389-93. doi: 10.4174/jkss.2012.82.6.389. Epub 2012 May 29.J Korean Surg Soc. 2012.PMID: 22708103Free PMC article.
Lee KE, Kim E, Koo do H, Choi JY, Kim KH, Youn YK.Lee KE, et al. Among authors: choi jy.Surg Endosc. 2013 Aug;27(8):2955-62. doi: 10.1007/s00464-013-2863-1. Epub 2013 Feb 23.Surg Endosc. 2013.PMID: 23436099
Kwon H, Koo do H, Choi JY, Kim E, Lee KE, Youn YK.Kwon H, et al. Among authors: choi jy.World J Surg. 2013 Jul;37(7):1576-81. doi: 10.1007/s00268-013-2027-4.World J Surg. 2013.PMID: 23558759
Choi JY, Lee KE, Koo do H, Kim KH, Kim Ey, Bae DS, Jung SE, Youn YK.Choi JY, et al.World J Surg. 2014 Mar;38(3):639-44. doi: 10.1007/s00268-013-2322-0.World J Surg. 2014.PMID: 24178184