Peter D A, Fales W H, Miller R B, Youngquist R S, Randle R F, Ganjam I K, Lybyer J L
Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, Columbia 65211, USA.
J Vet Diagn Invest. 1995 Apr;7(2):278-80. doi: 10.1177/104063879500700224.