Animals Mice article nonhuman 956 mouse 922 controlled study 796 priority journal 783 animal cell 572 animal experiment 521 animal model 388 Female 382 animal tissue 365 female 340 protein expression 340 Male 322 Humans 316 male 302 unclassified drug 272 human 266 Mice, Inbred BALB C 265 animal 263 metabolism 166 Animalia 165 human cell 164 signal transduction 161 cell proliferation 155 Mice, Inbred C57BL 134 drug effect 133 in vitro study 129 Mus 124