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.
Sánchez-Andrade R, Paz-Silva A, Suárez JL, Arias M, López C, Morrondo P, Scala A.Sánchez-Andrade R, et al.Prev Vet Med. 2003 Feb 15;57(1-2):1-5. doi: 10.1016/s0167-5877(02)00215-5.Prev Vet Med. 2003.PMID: 12547170