Randhawa S S, Uppal S K, Joshi B P, Randhawa C S
Department of Clinical Veterinary Medicine, Ethics and Jurisprudence, Guru Angad Dev Veterinary and Animal Science University, Ludhiana 141004, Punjab, India.
Vet Rec. 2009 May 16;164(20):631-2. doi: 10.1136/vr.164.20.631.