Hartskeerl R A, Goris M G A, Brem S, Meyer P, Kopp H, Gerhards H, Wollanke B
Department of Biomedical Research, Leptospirosis Reference Centre (WHO/FAO/OIE/RIVM), Royal Tropical Institute, Amsterdam, The Netherlands.
J Vet Med B Infect Dis Vet Public Health. 2004 Apr;51(3):110-5. doi: 10.1111/j.1439-0450.2004.00740.x.