Animals physiology animal 862 article 480 nonhuman 356 male 334 metabolism 328 Male 308 female 266 controlled study 264 Female 238 priority journal 204 genetics 170 animal experiment 166 Article 156 human 154 Humans 146 mouse 144 Argentina 140 Mice 120 animal tissue 120 animal cell 114 animal behavior 110 growth, development and aging 108 Hexapoda 98 drug effect 96 cytology 88 Animalia 86 unclassified drug 84 Behavior, Animal 82