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.
Tovar J, León-Avila G, Sánchez LB, Sutak R, Tachezy J, van der Giezen M, Hernández M, Müller M, Lucocq JM.Tovar J, et al. Among authors: tachezy j.Nature. 2003 Nov 13;426(6963):172-6. doi: 10.1038/nature01945.Nature. 2003.PMID: 14614504