Male animal cell male mouse nonhuman 140 Animals 129 Mice 129 controlled study 123 priority journal 105 animal experiment 102 article 96 animal model 70 animal tissue 64 protein expression 57 animal 56 female 44 Female 43 metabolism 43 unclassified drug 43 Article 40 in vitro study 35 Mice, Inbred BALB C 34 in vivo study 32 human 31 Humans 30 Mice, Inbred C57BL 29 protein function 25 Mice, Knockout 24 pathology 24 Mus 23