controlled study female metabolism Female 126 nonhuman 112 animal 110 Animals 109 priority journal 97 Article 89 animal experiment 76 human 73 Humans 70 animal cell 65 animal tissue 62 male 62 article 60 mouse 58 protein expression 57 genetics 53 Mice 51 physiology 50 drug effects 48 Male 47 adult 47 animal model 44 human cell 42 unclassified drug 42 pathology 39 in vitro study 37 cytology 35