metabolism priority journal nonhuman 542 animal 540 Animals 516 controlled study 418 animal cell 306 article 266 mouse 264 Article 260 animal experiment 244 Mice 224 animal tissue 212 physiology 208 genetics 198 female 188 unclassified drug 182 human 172 male 164 Humans 162 protein expression 154 Female 152 drug effect 144 Male 140 signal transduction 134 animal model 114 chemistry 114 rat 114 drug effects 112 Rats 100