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.
Dryden M, Payne P, Lowe A, Mailen S, Smith V, Rugg D.Dryden M, et al.Vet Parasitol. 2007 Dec 15;150(3):263-7. doi: 10.1016/j.vetpar.2007.08.043. Epub 2007 Oct 4.Vet Parasitol. 2007.PMID: 17919817Clinical Trial.
Dryden M, Payne P, Lowe A, Mailen S, Smith V, Rugg D.Dryden M, et al.Vet Parasitol. 2008 Jan 25;151(1):74-9. doi: 10.1016/j.vetpar.2007.10.004. Epub 2007 Oct 10.Vet Parasitol. 2008.PMID: 18022186