Animals human physiology animal 262 Humans 246 nonhuman 154 metabolism 130 article 112 controlled study 88 priority journal 82 mouse 74 Mice 62 female 56 genetics 50 Article 48 Female 48 animal cell 48 animal experiment 46 unclassified drug 44 male 42 Review 40 drug effect 40 human cell 40 chemistry 38 rat 38 adult 36 Male 34 signal transduction 34 Rats 32 animal model 30