animal human metabolism Animals 379 Humans 359 nonhuman 264 controlled study 199 mouse 165 priority journal 162 genetics 154 Mice 145 animal cell 140 article 140 unclassified drug 138 physiology 133 human cell 125 Article 122 chemistry 118 protein expression 111 female 103 animal experiment 100 Female 89 signal transduction 83 pathology 82 drug effects 76 protein function 76 animal model 73 gene expression regulation 68 rat 64 in vitro study 61