animal female Animals 964 Female 946 male 637 Male 587 article 517 nonhuman 478 physiology 416 metabolism 401 controlled study 364 Article 288 genetics 287 animal experiment 262 priority journal 256 Argentina 250 mouse 215 growth, development and aging 207 Mice 199 animal cell 198 human 190 animal tissue 178 Humans 161 adult 158 classification 132 drug effect 130 rat 116 parasitology 114 drug effects 113 cytology 112