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.
Youn JI, Kim BK, Suh DH.Youn JI, et al.J Dermatol. 1998 Feb;25(2):112-7. doi: 10.1111/j.1346-8138.1998.tb02360.x.J Dermatol. 1998.PMID: 9563279Clinical Trial.
Youn JI, Park BS, Park SB, Kim SD, Suh DH.Youn JI, et al.J Dermatol. 1999 Oct;26(10):647-52. doi: 10.1111/j.1346-8138.1999.tb02066.x.J Dermatol. 1999.PMID: 10554430
Youn JI, Park SB, Park BS, Han WS.Youn JI, et al.Photodermatol Photoimmunol Photomed. 2000 Aug;16(4):167-71. doi: 10.1034/j.1600-0781.2000.160404.x.Photodermatol Photoimmunol Photomed. 2000.PMID: 11019941