TY - JOUR T1 - Defective production of interleukin 2 in patients with Chagas' disease: purified IL-2 augments in vitro response in patients with chagasic cardiomyopathy JO - Memórias do Instituto Oswaldo Cruz A1 - Briceno, Luis A1 - Mosca, Walter SN - 0074-0276 UL - 10.1590/S0074-02761996000500011 VL - 91 Y1 - 1996 PB - Brazil ER -