Animals Female Male animal female 535 male 535 article 238 physiology 230 Argentina 194 nonhuman 161 genetics 153 growth, development and aging 152 controlled study 123 metabolism 120 Article 114 classification 112 adult 101 anatomy and histology 88 priority journal 85 animal experiment 84 parasitology 80 histology 78 human 75 Humans 63 body size 60 Ecosystem 56 ecosystem 56 Body Size 53 Chagas disease 53 Triatoma 53