Upregulation of Cardiac IL-10 and Downregulation of IFN-γ in Balb/c IL-4−/− in Acute Chagasic Myocarditis due to Colombian Strain of Trypanosoma cruzi oleh Marcos Vinicius da Silva, Vera Lúcia de Almeida, Wendyson Duarte de Oliveira, Natália Carasek Matos Cascudo, Pollyana Guimarães de Oliveira, Crislaine Aparecida da Silva, Aline Cristina Souza da Silva, Maria Luíza Gonçalves dos Reis Monteiro, Rosana Rosa Miranda Correa, Milton Adriano Pelli Oliveira, Ruy de Sousa Lino-Júnior, Mara Rúbia Nunes Celes, Juliana Reis Machado