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.
Bartnik A, Nirmal AJ, Yang SY.Bartnik A, et al. Among authors: yang sy.Vaccines (Basel). 2012 Aug 24;1(1):1-16. doi: 10.3390/vaccines1010001.Vaccines (Basel). 2012.PMID: 26343847Free PMC article.Review.
Yang SY, Miah A, Pabari A, Winslet M.Yang SY, et al.Front Biosci (Landmark Ed). 2011 Jan 1;16(2):531-8. doi: 10.2741/3703.Front Biosci (Landmark Ed). 2011.PMID: 21196186Free article.Review.