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.
Ryoo UN, Choi CH, Yoon JY, Noh SK, Kang H, Kim WY, Kim BH, Kim TJ, Lee JW, Lee JH, Kim BG, Bae DS.Ryoo UN, et al.Cancer Res Treat. 2007 Dec;39(4):165-70. doi: 10.4143/crt.2007.39.4.165. Epub 2007 Dec 31.Cancer Res Treat. 2007.PMID: 19746183Free PMC article.
Kim CJ, Kim TH, Ryu WS, Ryoo UH.Kim CJ, et al. Among authors: ryoo uh.J Korean Med Sci. 2000 Aug;15(4):380-6. doi: 10.3346/jkms.2000.15.4.380.J Korean Med Sci. 2000.PMID: 10983684Free PMC article.
Kim JQ, Song J, Park YB, Lee HK, Kim YS, Ryoo UH, Heo GB.Kim JQ, et al. Among authors: ryoo uh.J Korean Med Sci. 1997 Feb;12(1):17-22. doi: 10.3346/jkms.1997.12.1.17.J Korean Med Sci. 1997.PMID: 9142655Free PMC article.