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 SH, Shin YS, Yoon PH, Kim DI.Kim SH, et al. Among authors: yoon ph.Yonsei Med J. 2002 Feb;43(1):119-22. doi: 10.3349/ymj.2002.43.1.119.Yonsei Med J. 2002.PMID: 11854942Free article.
Ahn JY, Kang SY, Lee CH, Yoon PH, Lee KS.Ahn JY, et al. Among authors: yoon ph.Neurosurg Rev. 2005 Jan;28(1):73-6. doi: 10.1007/s10143-004-0360-7. Epub 2004 Nov 13.Neurosurg Rev. 2005.PMID: 15586258
Ahn JY, Han IB, Chung YS, Yoon PH, Kim SH.Ahn JY, et al. Among authors: yoon ph.Childs Nerv Syst. 2006 Nov;22(11):1493-6. doi: 10.1007/s00381-006-0157-9. Epub 2006 Aug 30.Childs Nerv Syst. 2006.PMID: 16944179