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.
Jeon GW, Ahn SY, Kim SM, Yang M, Sung SI, Sung JH, Oh SY, Roh CR, Choi SJ, Chang YS.Jeon GW, et al. Among authors: ahn sy.J Korean Med Sci. 2023 Nov 13;38(44):e350. doi: 10.3346/jkms.2023.38.e350.J Korean Med Sci. 2023.PMID: 37967876Free PMC article.
Kim SC, Chang YS, Ahn SY.Kim SC, et al. Among authors: ahn sy.J Korean Med Sci. 1994 Dec;9(6):505-6. doi: 10.3346/jkms.1994.9.6.505.J Korean Med Sci. 1994.PMID: 7786448Free PMC article.
Kim ES, Chang YS, Choi SJ, Kim JK, Yoo HS, Ahn SY, Sung DK, Kim SY, Park YR, Park WS.Kim ES, et al. Among authors: ahn sy.Respir Res. 2011 Aug 15;12(1):108. doi: 10.1186/1465-9921-12-108.Respir Res. 2011.PMID: 21843339Free PMC article.
Ahn SY, Kim ES, Kim JK, Shin JH, Sung SI, Jung JM, Chang YS, Park WS.Ahn SY, et al.Yonsei Med J. 2012 Jul 1;53(4):765-71. doi: 10.3349/ymj.2012.53.4.765.Yonsei Med J. 2012.PMID: 22665344Free PMC article.