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.
Hahn SB, Kang HJ, Hyung JH, Choi YR.Hahn SB, et al.Yonsei Med J. 2011 Jan;52(1):204-6. doi: 10.3349/ymj.2011.52.1.204.Yonsei Med J. 2011.PMID: 21155057Free PMC article.
Tark KC, Hong JW, Kim YS, Hahn SB, Lee WJ, Lew DH.Tark KC, et al. Among authors: hahn sb.Ann Plast Surg. 2010 Dec;65(6):565-72. doi: 10.1097/SAP.0b013e3181d9aae2.Ann Plast Surg. 2010.PMID: 20948411
Hahn SB, Kang HJ, Kang ES, Choi YR.Hahn SB, et al.Yonsei Med J. 2010 Jul;51(4):574-8. doi: 10.3349/ymj.2010.51.4.574.Yonsei Med J. 2010.PMID: 20499425Free PMC article.