Irizarry-Rovira Armando R, Wolf Alexander, Bolek Mathew, Christian John A, DeNicola Dennis B
Department of Veterinary Pathobiology, School of Veterinary Medicine, Purdue University, West Lafayette, IN, USA.
Vet Clin Pathol. 2002;31(3):129-32. doi: 10.1111/j.1939-165x.2002.tb00292.x.