Wininger F A, Zeng R, Johnson G S, Katz M L, Johnson G C, Bush W W, Jarboe J M, Coates J R
Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO, USA.
J Vet Intern Med. 2011 Sep-Oct;25(5):1166-70. doi: 10.1111/j.1939-1676.2011.0760.x. Epub 2011 Aug 16.