animal human physiology Animals 253 Humans 235 nonhuman 148 metabolism 133 article 112 controlled study 84 priority journal 78 mouse 68 female 61 Mice 56 Female 53 male 50 Article 48 genetics 48 animal cell 46 animal experiment 44 Male 42 unclassified drug 42 Review 40 adult 39 human cell 39 rat 39 drug effect 38 chemistry 37 Rats 33 signal transduction 32 review 31