feces Feces 58 Animals 54 article 54 Argentina 48 animal 40 nonhuman 26 parasitology 24 physiology 18 controlled study 16 Triatoma 14 isolation and purification 14 metabolism 14 Female 12 Humans 12 Parasite Egg Count 12 Patagonia 12 Triatominae 12 female 12 microbiology 12 rodent 12 Behavior, Animal 10 Chagas disease 10 Male 10 Paleopathology 10 Rodentia 10 Triatoma infestans 10 animal behavior 10 animal experiment 10 disease transmission 10