animal animal cell female nonhuman 198 Animals 188 controlled study 166 metabolism 162 Female 156 priority journal 132 mouse 112 Article 110 animal experiment 110 Mice 104 article 90 animal tissue 86 protein expression 72 male 71 genetics 68 physiology 66 animal model 65 human 63 Humans 60 Male 53 cytology 53 drug effects 53 unclassified drug 50 rat 49 in vitro study 47 pathology 47 adult 44