Xavier, J.G., Longatto Filho, A., Kanamura, C.T. and Guerra, J.L. 1998. 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 ). Brazilian Journal of Veterinary Research and Animal Science. 35, 6 (Jan. 1998), 252-256. DOI:https://doi.org/10.1590/S1413-95961998000600004.