TY - JOUR T1 - Reflections on the population dynamics of Trypanosoma cruzi: heterogeneity versus plasticity JO - Memórias do Instituto Oswaldo Cruz A1 - Pacheco, Raquel S A1 - Brito, Célia MM SN - 0074-0276 UL - 10.1590/S0074-02761999000700029 VL - 94 Y1 - 1999 PB - Brasil ER -