Verdonck F, Deprez P, Decostere A, Ducatelle R, Goddeeris B M, Cox E
Laboratory of Veterinary Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium.
Vet Rec. 2004 Jan 31;154(5):149-50. doi: 10.1136/vr.154.5.149.