Article male nonhuman controlled study 302 Animals 288 animal 286 Male 246 animal experiment 246 priority journal 206 female 192 animal tissue 170 metabolism 160 physiology 158 mouse 148 adult 144 Female 122 animal cell 120 drug effects 98 animal model 94 Mice 88 human 82 genetics 80 protein expression 74 unclassified drug 74 Humans 62 in vitro study 52 in vivo study 46 gene expression 44 pathology 42 Argentina 40