by Khan, W.A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Pathology), Khan, M.Z. (University of Agriculture, Faisalabad (Pakistan). Dept. of Pathology), Khan, A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Pathology), Hussain, I. (University of Agriculture, Faisalabad (Pakistan). Dept. of Microbiology)
Published in Pakistan veterinary journal (01.07.2010)