Bauer Natali, Burkhardt Silke, Kirsch Andreas, Weiss Reinhard, Moritz Andreas, Baumgaertner Wolfgang
Clinic for Internal Medicine and Forensic Affairs, Justus-Liebig-University, Giessen, Germany.
Vet Clin Pathol. 2002;31(2):61-4. doi: 10.1111/j.1939-165x.2002.tb00281.x.