Article Female female priority journal controlled study 157 Animals 122 animal 122 nonhuman 122 metabolism 112 male 109 Male 107 adult 95 human 89 Humans 87 animal experiment 72 genetics 68 animal tissue 56 protein expression 56 physiology 54 animal cell 52 drug effects 50 mouse 48 Mice 44 Pregnancy 38 cytology 38 pregnancy 38 Adult 37 in vitro study 36 unclassified drug 34 Middle Aged 30