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.
Colgan S, Reece R, Hughes KJ.Colgan S, et al.Aust Vet J. 2006 Dec;84(12):436-8. doi: 10.1111/j.1751-0813.2006.00052.x.Aust Vet J. 2006.PMID: 17156327No abstract available.
Street M, Phillips NM, Kent B, Colgan S, Mohebbi M.Street M, et al.BMJ Open. 2015 Jun 1;5(6):e007200. doi: 10.1136/bmjopen-2014-007200.BMJ Open. 2015.PMID: 26033942Free PMC article.