Animalia Argentina article 92 Animals 88 nonhuman 70 Female 42 South America 42 Male 40 male 36 female 34 animal 32 Mammalia 30 Rodentia 30 animal experiment 28 controlled study 28 rodent 28 Seasons 24 Buenos Aires [Argentina] 19 Trypanosoma cruzi 18 diet 18 physiology 18 Aves 16 Canis familiaris 16 Chagas disease 16 Decapoda (Crustacea) 16 Feces 16 Triatoma infestans 16 histology 16 seasonal variation 16 Humans 14