Kinde H, Visvesvara G S, Barr B C, Nordhausen R W, Chiu P H
California Veterinary Diagnostic Laboratory System, University of California, School of Veterinary Medicine, CVDLS San Bernardino Branch 92412, USA.
J Vet Diagn Invest. 1998 Oct;10(4):378-81. doi: 10.1177/104063879801000416.