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.
Chang IS, Chee HK, Park SW, Yun IJ, Hwang JJ, Lee SA, Kim JS, Chang SH, Jung HG.Chang IS, et al. Among authors: chang sh.Korean J Radiol. 2011 Mar-Apr;12(2):203-9. doi: 10.3348/kjr.2011.12.2.203. Epub 2011 Mar 3.Korean J Radiol. 2011.PMID: 21430937Free PMC article.
Park SW, Yun IJ, Hwang JJ, Lee SA, Kim JS, Chang SH, Chee HK, Hong SJ.Park SW, et al. Among authors: chang sh.Dermatol Surg. 2007 Oct;33(10):1243-9. doi: 10.1111/j.1524-4725.2007.33260.x.Dermatol Surg. 2007.PMID: 17903158Clinical Trial.
Park SW, Yun IJ, Hwang JJ, Lee SA, Kim JS, Chang SH, Chee HK, Kim HC, Sun K, Park SJ.Park SW, et al. Among authors: chang sh.Dermatol Surg. 2009 May;35(5):804-12. doi: 10.1111/j.1524-4725.2009.01136.x. Epub 2009 Mar 30.Dermatol Surg. 2009.PMID: 19389098
Park SW, Hwang JJ, Yun IJ, Lee SA, Kim JS, Chang SH, Chee HK, Chang IS.Park SW, et al. Among authors: chang is, chang sh.Dermatol Surg. 2012 Apr;38(4):640-6. doi: 10.1111/j.1524-4725.2011.02261.x. Epub 2011 Dec 30.Dermatol Surg. 2012.PMID: 22211402Clinical Trial.
Chang IS, Kim YJ, Park SW, Park HS, Jeon HJ, Chang SH, Hwang DY.Chang IS, et al. Among authors: chang sh.Ann Surg Treat Res. 2014 Jul;87(1):41-3. doi: 10.4174/astr.2014.87.1.41. Epub 2014 Jun 24.Ann Surg Treat Res. 2014.PMID: 25025026Free PMC article.