Animals female male Male 798 Female 776 animal 624 article 554 nonhuman 500 controlled study 380 priority journal 312 physiology 280 Argentina 268 animal experiment 266 animal tissue 204 genetics 178 growth, development and aging 170 Article 158 animal cell 156 metabolism 154 adult 150 Mice 146 mouse 146 human 122 classification 120 Humans 118 Animalia 104 histology 94 anatomy and histology 90 animal model 88 parasitology 86