Newman S J, Bailey T L, Jones J C, DiGrassie W A, Whittier W D
Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg 24061-0442, USA.
J Vet Diagn Invest. 1999 Jul;11(4):368-71. doi: 10.1177/104063879901100414.