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 YJ, Sung KW, Hwang HS, Jung SH, Kim JY, Cho EJ, Lim SJ, Choi YB, Cheuh HW, Lee SH, Yoo KH, Koo HH.Kim YJ, et al. Among authors: choi yb.Yonsei Med J. 2011 Mar;52(2):293-300. doi: 10.3349/ymj.2011.52.2.293.Yonsei Med J. 2011.PMID: 21319349Free PMC article.Clinical Trial.
Choi YB, Bae GE, Lee NH, Kim JS, Lee SH, Yoo KH, Sung KW, Koo HH.Choi YB, et al.J Korean Med Sci. 2015 Aug;30(8):1062-7. doi: 10.3346/jkms.2015.30.8.1062. Epub 2015 Jul 15.J Korean Med Sci. 2015.PMID: 26240483Free PMC article.
Lee NH, Son MH, Choi YB, Yi E, Lee JW, Yoo KH, Sung KW, Koo HH.Lee NH, et al. Among authors: choi yb.Cancer Res Treat. 2016 Oct;48(4):1399-1407. doi: 10.4143/crt.2015.481. Epub 2016 Mar 24.Cancer Res Treat. 2016.PMID: 27034145Free PMC article.
Choi YB, Yi ES, Lee JW, Yoo KH, Sung KW, Koo HH.Choi YB, et al.J Korean Med Sci. 2016 Jul;31(7):1055-62. doi: 10.3346/jkms.2016.31.7.1055. Epub 2016 May 16.J Korean Med Sci. 2016.PMID: 27366002Free PMC article.
Ma Y, Lee JW, Park SJ, Yi ES, Choi YB, Yoo KH, Sung KW, Koo HH.Ma Y, et al. Among authors: choi yb.J Korean Med Sci. 2016 Sep;31(9):1392-6. doi: 10.3346/jkms.2016.31.9.1392.J Korean Med Sci. 2016.PMID: 27510381Free PMC article.