TY - JOUR T1 - Polymerase chain reaction detection: new insights into the diagnosis of chronic Chagas disease JO - Memórias do Instituto Oswaldo Cruz A1 - Britto, C A1 - Cardoso, MA A1 - Marques, P A1 - Fernandes, O A1 - Morel, CM SN - 0074-0276 UL - 10.1590/S0074-02761999000700056 VL - 94 Y1 - 1999 PB - Brasil ER -