John R. MiddletonDepartment of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211. Department of Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211.
Dae Y. KimDepartment of Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211. Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211.
and Tim J. EvansDepartment of Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211. Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211.