Article female nonhuman Animals 290 animal 286 controlled study 282 Female 230 male 192 animal experiment 188 priority journal 180 metabolism 154 animal tissue 148 adult 146 Male 130 animal cell 126 mouse 116 physiology 106 human 92 Mice 84 genetics 84 animal model 80 Humans 78 drug effects 74 unclassified drug 74 protein expression 68 Argentina 62 in vitro study 50 in vivo study 46 pathology 42 rat 40