animal mouse Animals 620 Mice 590 nonhuman 490 metabolism 446 controlled study 412 article 334 priority journal 332 animal cell 296 animal experiment 292 Article 260 genetics 238 human 234 female 224 Humans 212 physiology 212 Female 200 male 200 animal tissue 196 animal model 192 Male 172 unclassified drug 164 protein expression 158 pathology 140 drug effects 134 drug effect 132 signal transduction 130 cytology 114 human cell 104