Female Male Mice Animals 153 mouse 143 nonhuman 140 female 124 article 119 male 117 priority journal 114 controlled study 105 animal experiment 100 animal tissue 65 protein expression 54 animal model 52 animal 48 animal cell 46 Mice, Knockout 41 Humans 40 Mice, Inbred C57BL 38 human 34 Animalia 31 metabolism 29 unclassified drug 29 Mice, Inbred BALB C 28 adult 28 Mus 24 genetics 24 Article 22 Receptors, Dopamine D2 22