animal human physiology Animals 262 Humans 244 nonhuman 152 metabolism 140 article 120 controlled study 88 priority journal 80 mouse 74 female 64 Mice 62 Female 56 genetics 50 male 50 Article 48 animal cell 48 animal experiment 46 unclassified drug 44 Male 42 human cell 42 rat 42 Review 40 adult 40 chemistry 40 drug effect 40 Rats 36 signal transduction 34 review 32