VIRAL INFECTIOUS DISEASES IN DOGS IN THE VETERINARY HOSPITAL OF FEDERAL UNIVERSITY OF PARANÁ (PERIOD 2000-2001) - FRANCO, M. B.; HAMANN, W.; FERRARI, M.V.; BRITO, H. F. V.; KASECKER, G. G.; PERRONI, M. A.; SINCERO, P. C.; TRANQUILIN, M.V.; WERNER, J. (Archives of Veterinary Science, 2001)