Xavier JG, Longatto Filho A, Kanamura CT, Guerra JL. 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 ). Braz. J. Vet. Res. Anim. Sci. 1998;35(6):252-256. doi:10.1590/S1413-95961998000600004