Shivaprasad H L, Sundberg J P, McEntee K, Gordon L, Johnstone A C, Lombardo de Barros C S, Hoffman R L
Department of Pathobiology, College of Veterinary Medicine, University of Illinois, Urbana 61801.
J Vet Diagn Invest. 1994 Jan;6(1):107-10. doi: 10.1177/104063879400600122.