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.
Derrick SC, Yang AL, Morris SL.Derrick SC, et al. Among authors: yang al.Vaccine. 2004 Dec 21;23(6):780-8. doi: 10.1016/j.vaccine.2004.07.036.Vaccine. 2004.PMID: 15542202
Parra M, Yang AL, Lim J, Kolibab K, Derrick S, Cadieux N, Perera LP, Jacobs WR, Brennan M, Morris SL.Parra M, et al. Among authors: yang al.Clin Vaccine Immunol. 2009 Jul;16(7):1025-32. doi: 10.1128/CVI.00067-09. Epub 2009 May 20.Clin Vaccine Immunol. 2009.PMID: 19458207Free PMC article.
Kolibab K, Parra M, Yang AL, Perera LP, Derrick SC, Morris SL.Kolibab K, et al. Among authors: yang al.Vaccine. 2009 Dec 11;28(2):317-22. doi: 10.1016/j.vaccine.2009.10.047. Epub 2009 Oct 29.Vaccine. 2009.PMID: 19879231