List of literature references and web sites

Auburn University College of Veterinary Medicine. Auburn University College of Veterinary Medicine (2000) [Code:3267]

Ecole Nationale Vétérinaire de Nantes. ENVA (2000) [Code:2961]

Free University of Berlin Faculty of Veterinary Medicine. Free University of Berlin Faculty of Veterinary Medicine (2000) [Code:3340]

Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise. Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise (2000) [Code:3462]

Kitasato University School of Veterinary Medicine and Animal Sciences. Kitasato University School of Veterinary Medicine and Animal Sciences (2000) [Code:3388]

Konkuk University's Department of Veterinary Medicine (South Korea). Konkuk University's Department of Veterinary Medicine (South Korea) (2000) [Code:3467]

Mississippi State University College of Veterinary Medicine. Mississippi State University College of Veterinary Medicine (2000) [Code:3279]

Poland National Veterinary Research Institute. Poland National Veterinary Research Institute (2000) [Code:3488]

Royal Veterinary & Agricultural University Department of Animal Science & Animal Health (Denmark). Royal Veterinary & Agricultural University Department of Animal Science & Animal Health (Denmark) (2000) [Code:3489]

Tamil Nadu Veterinary & Animal Science University. Tamil Nadu Veterinary & Animal Science University (2000) [Code:3385]

Universidad de Buenos Aires Facultad de Ciencias Veterinarias. Universidad de Buenos Aires Facultad de Ciencias Veterinarias (2000) [Code:3310]

Universidad de Zaragoza Facultad de Veterinaria. Universidad de Zaragoza Facultad de Veterinaria (2000) [Code:3369]

Università di Milano Facoltà di Medicina Veterinaria. Università di Milano Facoltà di Medicina Veterinaria (2000) [Code:3349]

Universiti Putra Malaysia Faculty of Veterinary Medicine and Animal Science. Universiti Putra Malaysia Faculty of Veterinary Medicine and Animal Science (2000) [Code:3393]

University College Dublin Faculty of Veterinary Medicine. University College Dublin Faculty of Veterinary Medicine (2000) [Code:3346]

University of California-Davis Veterinary Medicine Teaching and Research Center. University of California-Davis Veterinary Medicine Teaching and Research Center (2000) [Code:3418]

University of Edinburgh Royal (Dick) School of Veterinary Studies. University of Edinburgh Royal (Dick) School of Veterinary Studies (2000) [Code:3375]

University of Kentucky - Department of Veterinary Science. University of Kentucky Department of Veterinary Science (2000) [Code:3427]

University of Prince Edward Island, Atlantic Veterinary College. University of Prince Edward Island, Atlantic Veterinary College (2000) [Code:3296]

University of Reading Veterinary Epidemiology and Economics Research Unit. University of Reading Veterinary Epidemiology and Economics Research Unit (2000) [Code:3493]