R. DroletDepartments of Veterinary Diagnostic Investigation and Large Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108
T. D. ArendtDepartments of Veterinary Diagnostic Investigation and Large Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108
C. M. StoweDepartments of Veterinary Diagnostic Investigation and Large Animal Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, MN 55108