Tafuri, W.G.L. Michalick, M.S.M. Genaro, O. Silva, J.C.F. Nascimento, E. Canine visceral leishmaniasis: immunocytochemical study of the MHC class 2 antigens in liver and lymphoid organs Subjects--Topical Terms: CaoHistopatologiaProtozoarioInfeccaoAntigeno