Sharma P K, Ahmad A H, Sharma L D, Varma Rachna
Department of Pharmacology and Toxicology, College of Veterinary Sciences, G.B. Pant University of Agriculture and Technology, -263145, Pantnagar, India.
Vet J. 2003 Jul;166(1):101-4. doi: 10.1016/s1090-0233(02)00261-7.