Akodon montensis 2 Akodon toba 2 Animals 2 Argentina 2 Article 2 Calomys callosus 2 Chagas Disease 2 Chagas disease 2 DNA sequence 2 Disease Reservoirs 2 Graomys chacoensis 2 Molecular diagnosis 2 Molecular identification 2 Necromys lasiurus 2 Oligoryzomys chacoensis 2 Oligoryzomys nigripes 2 Reservoir competence 2 Rodents 2 Sigmodontinae 2 Trypanosoma cruzi 2 article 2 controlled study 2 cytochrome b 2 cytochrome b gene 2 gene sequence 2 habitat structure 2 host parasite interaction 2 infection rate 2 kinetoplast 2 kinetoplast DNA 2