animal controlled study priority journal Animals 548 nonhuman 540 metabolism 396 Article 310 animal cell 298 animal experiment 298 mouse 272 article 242 physiology 242 Mice 236 animal tissue 232 male 220 female 206 Male 188 genetics 188 Female 172 unclassified drug 156 protein expression 146 drug effect 144 drug effects 140 human 140 animal model 138 Humans 136 signal transduction 108 chemistry 102 cytology 102 rat 100