trypanosomiasis Trypanosoma cruzi 50 article 38 nonhuman 38 Animals 32 Chagas disease 32 Argentina 28 Chagas Disease 28 human 28 Triatoma infestans 20 Trypanosoma 20 controlled study 20 Canis familiaris 18 Humans 18 priority journal 18 rural area 18 animal experiment 16 Animalia 14 Triatoma 14 disease transmission 14 dog 14 polymerase chain reaction 14 xenodiagnosis 14 Dog Diseases 12 Dogs 12 Female 12 Protozoa 12 mouse 12 Insect Vectors 10 Male 10