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.
Lee JH, Oh YJ, Shim YH, Hong YW, Yi G, Kwak YL.Lee JH, et al. Among authors: oh yj.J Korean Med Sci. 2006 Oct;21(5):854-8. doi: 10.3346/jkms.2006.21.5.854.J Korean Med Sci. 2006.PMID: 17043419Free PMC article.Clinical Trial.
Kim JY, Oh YJ, Lee YK, Kwak YL.Kim JY, et al. Among authors: oh yj.Yonsei Med J. 2006 Jun 30;47(3):440-2. doi: 10.3349/ymj.2006.47.3.440.Yonsei Med J. 2006.PMID: 16807998Free PMC article.
Na S, Nam SB, Lee YK, Oh YJ, Kwak YL.Na S, et al. Among authors: oh yj.J Korean Med Sci. 2007 Aug;22(4):731-4. doi: 10.3346/jkms.2007.22.4.731.J Korean Med Sci. 2007.PMID: 17728519Free PMC article.
Shim JK, Bang SO, Lee JH, Oh YJ, Yoo KJ, Kwak YL.Shim JK, et al. Among authors: oh yj.J Korean Med Sci. 2008 Jun;23(3):373-7. doi: 10.3346/jkms.2008.23.3.373.J Korean Med Sci. 2008.PMID: 18583869Free PMC article.Clinical Trial.