Leonel Ellen C R, Patterson Jon S, Adu-Addai Benjamin, Langohr Ingeborg M
Diagnostic Center for Population and Animal Health and Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, Lansing, MI 48910, USA.
J Am Vet Med Assoc. 2013 May 15;242(10):1351-3. doi: 10.2460/javma.242.10.1351.