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.
Lee YJ, Kim HJ, Yu DS, Lee YB, Hahn HJ, Kim JW.Lee YJ, et al. Among authors: hahn hj.Ann Dermatol. 2016 Feb;28(1):1-5. doi: 10.5021/ad.2016.28.1.1. Epub 2016 Jan 28.Ann Dermatol. 2016.PMID: 26848212Free PMC article.
Song YC, Hahn HJ, Kim JY, Ko JH, Lee YW, Choe YB, Ahn KJ.Song YC, et al. Among authors: hahn hj.Ann Dermatol. 2011 Aug;23(3):321-8. doi: 10.5021/ad.2011.23.3.321. Epub 2011 Aug 6.Ann Dermatol. 2011.PMID: 21909202Free PMC article.
Kim JS, Lee SY, Hahn HJ, Lee YB, Yu DS, Kim JW.Kim JS, et al. Among authors: hahn hj.Ann Dermatol. 2017 Oct;29(5):571-577. doi: 10.5021/ad.2017.29.5.571. Epub 2017 Aug 25.Ann Dermatol. 2017.PMID: 28966513Free PMC article.