TY - JOUR T1 - Macrophage activation and histopathological findings in Calomys callosus and Swiss mice infected with several strains of Trypanosoma cruzi JO - Memórias do Instituto Oswaldo Cruz A1 - Borges, Monamaris Marques A1 - Andrade, Sonia G. de A1 - Pilatti, Carla Gizelle A1 - Prado Junior, José Clovis do A1 - Kloetzel, Judith Kardos SN - 0074-0276 UL - 10.1590/S0074-02761992000400006 VL - 87 Y1 - 1992 PB - Brasil ER -