Article female nonhuman priority journal controlled study 158 Animals 152 animal 150 Female 122 male 110 animal experiment 108 metabolism 100 animal tissue 92 animal cell 80 mouse 78 adult 76 Male 72 Mice 58 physiology 54 genetics 50 animal model 48 drug effects 46 unclassified drug 44 protein expression 38 human 36 in vitro study 30 Humans 28 cytology 28 in vivo study 28 gene expression 26 Argentina 24