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.
Yang HK, Koh ES, Shin SJ, Chung S.Yang HK, et al. Among authors: chung s.BMJ Case Rep. 2013 Feb 25;2013:bcr2012006537. doi: 10.1136/bcr-2012-006537.BMJ Case Rep. 2013.PMID: 23440983Free PMC article.
Kwon A, Koh ES, Chung S, Kim YK.Kwon A, et al. Among authors: chung s.BMJ Case Rep. 2013 Aug 1;2013:bcr2013010017. doi: 10.1136/bcr-2013-010017.BMJ Case Rep. 2013.PMID: 23907968Free PMC article.
Chung S, Yoon HE, Kim SJ, Kim SJ, Koh ES, Hong YA, Park CW, Chang YS, Shin SJ.Chung S, et al.Nutr Metab (Lond). 2014 Jan 6;11(1):2. doi: 10.1186/1743-7075-11-2.Nutr Metab (Lond). 2014.PMID: 24393202Free PMC article.