Andrew J. TrioloFrom the Departments of Veterinary Clinical Sciences (Triolo and Miles) and Veterinary Pathology (Howard), College of Veterinary Medicine, Iowa State University, Ames, IA 50011.
Monica O. HowardFrom the Departments of Veterinary Clinical Sciences (Triolo and Miles) and Veterinary Pathology (Howard), College of Veterinary Medicine, Iowa State University, Ames, IA 50011.
Kristina G. MilesFrom the Departments of Veterinary Clinical Sciences (Triolo and Miles) and Veterinary Pathology (Howard), College of Veterinary Medicine, Iowa State University, Ames, IA 50011.