Animals 466 Humans animal human 466 nonhuman 308 article 268 controlled study 262 metabolism 250 Article 200 mouse 180 priority journal 164 Mice 162 animal cell 160 physiology 148 chemistry 146 unclassified drug 144 female 140 genetics 140 human cell 128 animal experiment 122 Female 120 male 104 protein expression 98 Male 92 drug effect 90 pathology 84 animal model 78 drug effects 78 Argentina 74 cell line 64