metabolism article 731 animal 700 Animals 604 nonhuman 557 controlled study 489 genetics 434 priority journal 401 Article 386 human 373 physiology 373 chemistry 346 Humans 345 female 256 unclassified drug 255 enzymology 229 male 227 Female 223 mouse 208 Male 205 animal experiment 204 drug effect 200 animal cell 198 Mice 176 growth, development and aging 172 signal transduction 171 drug effects 166 gene expression regulation 166 protein expression 166 biosynthesis 157