animal model 692 mouse nonhuman 690 animal experiment 638 controlled study 626 Mice 532 Animals 530 article 520 priority journal 482 animal tissue 382 animal cell 350 female 326 male 278 Female 264 protein expression 216 Male 212 Mice, Inbred BALB C 194 animal 192 unclassified drug 176 human 174 Humans 170 metabolism 152 Article 150 in vivo study 128 human cell 116 in vitro study 116 cell proliferation 112 signal transduction 110 enzyme activity 108 Mice, Inbred C57BL 100