Daugschies A, Imarom S, Ganter M, Bollwahn W
Faculty of Veterinary Medicine, Institute of Parasitology, University of Leipzig, An den Tierkliniken 35, D-04103 Leipzig, Germany.
J Vet Med B Infect Dis Vet Public Health. 2004 Apr;51(3):135-9. doi: 10.1111/j.1439-0450.2004.00734.x.