Animals 392 animal controlled study mouse nonhuman 378 Mice 342 metabolism 305 priority journal 259 animal experiment 255 animal cell 235 Article 234 animal tissue 174 animal model 171 article 158 female 154 physiology 152 genetics 151 human 147 Humans 142 male 141 protein expression 135 Female 132 unclassified drug 126 Male 113 drug effects 113 pathology 98 signal transduction 94 cytology 85 drug effect 84 in vitro study 80