Shah-Majid M, Maria A R Ana, Shahidayani S, Salwani A M Dayang, Khairani S
Department of Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400 Selangor, Malaysia.
Vet Rec. 2007 May 19;160(20):702-3. doi: 10.1136/vr.160.20.702.