Meyer A, Kershaw O, Klopfleisch R
Department of Veterinary Pathology, Faculty of Veterinary Medicine, Freie Universität Berlin, Robert-von-Ostertag-Strasse 15, 14163 Berlin, Germany.
Vet Rec. 2011 Jun 4;168(22):589. doi: 10.1136/vr.d160. Epub 2011 May 12.