Asrani R K, Gupta V K, Sharma S K, Singh S P, Katoch R C
Department of Veterinary Pathology, College of Veterinary and Animal Sciences, Himachal Pradesh Krishi Vishvavidyalaya, Palampur, India.
Vet Rec. 1997 Sep 13;141(11):271-3. doi: 10.1136/vr.141.11.271.