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.
Heider LC, Meiring RW, Hoet AE, Gebreyes WA, Funk JA, Wittum TE.Heider LC, et al. Among authors: funk ja.J Am Vet Med Assoc. 2008 Aug 1;233(3):466-9. doi: 10.2460/javma.233.3.466.J Am Vet Med Assoc. 2008.PMID: 18673036Free article.Clinical Trial.