Roy P, Nachimuthu K, Venugopalan A T, Dorairajan N, Purushothaman V, Koteeswaran A
Centre for Animal Health Studies, Tamilnadu Veterinary and Animal Sciences University, Madras, India.
Trop Anim Health Prod. 1994 Nov;26(4):251-2. doi: 10.1007/BF02240397.