CD4+ T cells from BALB/c mice chronically infected with T cruzi respond to xenogeneic and allogeneic heart myoblasts in vitro - Ribeiro-dos-Santos, R; Soares, R O A; Bozza, M; Fernandez-Ferreira, E; Henriques, M G M; Mengele Júnior, José Orivaldo (Congresso da Sociedade Brasileira de Imunologia, 1997)