metabolism mouse nonhuman animal 354 Animals 352 Mice 306 controlled study 305 priority journal 239 animal cell 225 animal experiment 223 Article 204 animal tissue 160 genetics 157 animal model 147 article 146 human 143 female 142 physiology 133 Humans 130 male 129 protein expression 128 Female 122 unclassified drug 116 signal transduction 107 Male 103 drug effects 99 pathology 91 cytology 81 drug effect 74 gene expression regulation 72