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.
Muro EM, Herrington R, Janmohamed S, Frelin C, Andrade-Navarro MA, Iscove NN.Muro EM, et al.Proc Natl Acad Sci U S A. 2008 Dec 23;105(51):20286-90. doi: 10.1073/pnas.0807813105. Epub 2008 Dec 18.Proc Natl Acad Sci U S A. 2008.PMID: 19095794Free PMC article.