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.
Moayeri M, Sastalla I, Leppla SH.Moayeri M, et al. Among authors: leppla sh.Microbes Infect. 2012 May;14(5):392-400. doi: 10.1016/j.micinf.2011.12.005. Epub 2011 Dec 17.Microbes Infect. 2012.PMID: 22207185Free PMC article.Review.
Klimpel KR, Molloy SS, Thomas G, Leppla SH.Klimpel KR, et al. Among authors: leppla sh.Proc Natl Acad Sci U S A. 1992 Nov 1;89(21):10277-81. doi: 10.1073/pnas.89.21.10277.Proc Natl Acad Sci U S A. 1992.PMID: 1438214Free PMC article.
Varughese M, Teixeira AV, Liu S, Leppla SH.Varughese M, et al. Among authors: leppla sh.Infect Immun. 1999 Apr;67(4):1860-5. doi: 10.1128/IAI.67.4.1860-1865.1999.Infect Immun. 1999.PMID: 10085028Free PMC article.