Argentina article human Humans 209 female 126 male 123 Female 118 Male 117 adult 105 controlled study 92 Adult 88 priority journal 87 Animals 78 major clinical study 77 Middle Aged 68 nonhuman 67 Adolescent 61 child 56 Trypanosoma cruzi 54 adolescent 54 Child 52 Chagas disease 50 animal 49 Chagas Disease 46 Triatoma infestans 46 aged 43 Aged 41 Child, Preschool 40 Triatoma 40 Insect Vectors 37