TY - JOUR T1 - Chronic Trypanosoma cruzi infeccion associated to colon cancer. An experimental study in rats JO - Revista da Sociedade Brasileira de Medicina Tropical A1 - Oliveira, Enio Chaves de SN - 0037-8682 UL - 10.1590/S0037-86821999000100019 VL - 32 Y1 - 1999 PB - Brazil ER -