Render J A, Lovell K L, Keller C B, Storts R W, Abbitt B, Jones M Z, Castenson P E, Hunter J F
Animal Health Diagnostic Laboratory, Michigan State University, East Lansing 48824.
J Vet Diagn Invest. 1992 Jan;4(1):96-8. doi: 10.1177/104063879200400124.