Animals 720 Humans animal human 720 nonhuman 418 metabolism 374 controlled study 270 article 268 physiology 244 priority journal 232 mouse 212 genetics 206 Article 200 chemistry 200 Mice 190 unclassified drug 180 animal cell 168 female 166 Female 146 human cell 138 animal experiment 126 protein expression 126 male 116 drug effects 112 drug effect 110 pathology 108 Male 104 Review 94 signal transduction 94 Argentina 88