animal model article mouse priority journal nonhuman 361 controlled study 333 animal experiment 326 Mice 300 Animals 286 animal tissue 201 animal cell 187 female 175 Female 154 male 133 Mice, Inbred BALB C 126 protein expression 124 Male 109 Humans 86 unclassified drug 75 cell proliferation 72 human 71 enzyme activity 59 Mice, Inbred C57BL 58 in vivo study 58 signal transduction 55 drug effect 54 in vitro study 52 animal 51 human cell 44 Cell Proliferation 43