female Female 178 Animals 162 article 154 nonhuman 148 controlled study 142 male 114 priority journal 114 Male 104 animal 102 animal experiment 88 animal cell 86 human 80 Humans 74 mouse 66 Mice 60 protein expression 60 animal tissue 58 physiology 56 Article 48 metabolism 48 adult 46 human cell 44 unclassified drug 42 Rats 40 protein protein interaction 40 rat 36 signal transduction 36 Animalia 34 Pregnancy 34