Female animal controlled study female 286 nonhuman Animals 284 animal experiment 187 metabolism 184 Article 180 priority journal 167 animal cell 132 animal tissue 130 mouse 130 male 127 Male 121 Mice 118 article 106 physiology 101 genetics 95 adult 91 animal model 91 human 81 Humans 77 protein expression 77 unclassified drug 70 drug effects 69 pathology 63 in vitro study 58 drug effect 57 rat 51