Mice female male Animals 141 mouse 141 nonhuman 132 Female 119 Male 117 controlled study 112 priority journal 109 article 105 animal experiment 104 animal 70 animal tissue 68 animal cell 66 animal model 63 protein expression 50 metabolism 45 Mice, Knockout 37 Article 36 adult 31 human 31 genetics 30 Humans 27 physiology 27 unclassified drug 27 Mice, Inbred C57BL 25 Mice, Inbred BALB C 24 knockout mouse 22 in vitro study 21