Erica L. TwitchellAnimal Disease Diagnostic Laboratory and Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907.
Stephen D. LenzAnimal Disease Diagnostic Laboratory and Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907.
Tsang Long LinAnimal Disease Diagnostic Laboratory and Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907.