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.
Beck NS, Chang YS, Kang IS, Park WS, Lee HJ, Suh YL.Beck NS, et al. Among authors: chang ys.J Korean Med Sci. 1997 Oct;12(5):452-6. doi: 10.3346/jkms.1997.12.5.452.J Korean Med Sci. 1997.PMID: 9364305Free PMC article.
Han JY, Yoon SA, Woo JY, Park IS, Kim SY, Chang YS, Bang BK.Han JY, et al. Among authors: chang ys.J Korean Med Sci. 1992 Sep;7(3):264-70. doi: 10.3346/jkms.1992.7.3.264.J Korean Med Sci. 1992.PMID: 1285926Free PMC article.
Kim YS, Choi YJ, Jin DC, Chang YS, Yoon YS, Bang BK.Kim YS, et al. Among authors: chang ys.J Korean Med Sci. 1993 Apr;8(2):127-34. doi: 10.3346/jkms.1993.8.2.127.J Korean Med Sci. 1993.PMID: 8397929Free PMC article.
Chang YS, Park WS, Lee M, Kim KS, Shin SM, Choi JH.Chang YS, et al.Brain Res. 1998 Jul 6;798(1-2):271-80. doi: 10.1016/s0006-8993(98)00470-3.Brain Res. 1998.PMID: 9666146
Ko SY, Chang YS, Park WS.Ko SY, et al. Among authors: chang ys.J Korean Med Sci. 1998 Oct;13(5):495-9. doi: 10.3346/jkms.1998.13.5.495.J Korean Med Sci. 1998.PMID: 9811178Free PMC article.
Ko SY, Chang YS, Park WS.Ko SY, et al. Among authors: chang ys.J Korean Med Sci. 1998 Oct;13(5):500-6. doi: 10.3346/jkms.1998.13.5.500.J Korean Med Sci. 1998.PMID: 9811179Free PMC article.
Chang YS, Park WS, Lee M, Kim KS, Shin SM, Choi JH.Chang YS, et al.Neurol Res. 1999 Mar;21(2):216-24. doi: 10.1080/01616412.1999.11740921.Neurol Res. 1999.PMID: 10100211
Park WS, Chang YS, Ko SY, Kang MJ, Han JM, Lee M.Park WS, et al. Among authors: chang ys.Biol Neonate. 1999;75(6):377-87. doi: 10.1159/000014118.Biol Neonate. 1999.PMID: 10325441
Park WS, Chang YS, Ko SY, Kang MJ, Han JM, Lee M.Park WS, et al. Among authors: chang ys.Neurol Res. 1999 Jun;21(4):391-8. doi: 10.1080/01616412.1999.11740949.Neurol Res. 1999.PMID: 10406012