Mice article male Animals 139 mouse 139 nonhuman 135 Male 125 controlled study 116 animal experiment 108 priority journal 105 animal tissue 78 animal model 74 animal cell 58 female 50 Female 44 protein expression 36 animal 33 Animalia 26 Liver 26 Mice, Inbred BALB C 24 Mus 24 drug effect 24 human 24 unclassified drug 24 Humans 23 Mice, Inbred C57BL 23 in vitro study 21 metabolism 21 in vivo study 20 Mice, Knockout 19