Animals animal female Female 872 male 605 Male 555 nonhuman 460 article 447 physiology 394 controlled study 362 metabolism 357 Article 288 genetics 277 Argentina 248 priority journal 244 animal experiment 240 mouse 213 growth, development and aging 201 Mice 197 animal cell 188 human 180 animal tissue 176 Humans 161 adult 156 classification 132 parasitology 114 drug effects 113 animal model 110 cytology 110 drug effect 108