Mice article Animals 1,085 nonhuman 1,062 mouse 1,045 priority journal 860 controlled study 837 animal cell 619 animal experiment 587 animal model 416 Female 404 animal tissue 393 Male 361 female 360 protein expression 340 male 322 Humans 316 Mice, Inbred BALB C 310 animal 297 unclassified drug 288 human 276 Animalia 194 metabolism 182 human cell 168 signal transduction 165 cell proliferation 157 in vitro study 143 enzyme activity 140 drug effect 139 Animal 136