Xavier, J.G. Longatto Filho, A. Kanamura, C.T. Guerra, J.L. Use of the Dorfman Warnke classification (modified by Burke)in veterinary pathology in the evaluation of the lymphadenitis induced through canine parvovirus in guinea-pigs (Cavia porcellus) Subjects--Topical Terms: ANIMALCACHORROPORCODOENÇA ANIMALPARVOVIROSE