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.
McKenna SL, Dohoo IR.McKenna SL, et al.Vet Clin North Am Food Anim Pract. 2006 Mar;22(1):195-205. doi: 10.1016/j.cvfa.2005.12.006.Vet Clin North Am Food Anim Pract. 2006.PMID: 16517302Review.
Tiwari A, VanLeeuwen JA, McKenna SL, Keefe GP, Barkema HW.Tiwari A, et al. Among authors: mckenna sl.Can Vet J. 2006 Sep;47(9):874-82.Can Vet J. 2006.PMID: 17017652Free PMC article.Review.
McKenna SL, Keefe GP, Tiwari A, VanLeeuwen J, Barkema HW.McKenna SL, et al.Can Vet J. 2006 Nov;47(11):1089-99.Can Vet J. 2006.PMID: 17147140Free PMC article.Review.
Martinson SA, Hanna PE, Ikede BO, Lewis JP, Miller LM, Keefe GP, McKenna SL.Martinson SA, et al. Among authors: mckenna sl.J Vet Diagn Invest. 2008 Jan;20(1):51-7. doi: 10.1177/104063870802000109.J Vet Diagn Invest. 2008.PMID: 18182508