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.
Baker SA, Van-Balen J, Lu B, Hillier A, Hoet AE.Baker SA, et al. Among authors: hillier a.J Am Vet Med Assoc. 2012 Jul 15;241(2):210-7. doi: 10.2460/javma.241.2.210.J Am Vet Med Assoc. 2012.PMID: 22765367Free article.