animal human mouse Animals 220 Humans 202 Mice 196 nonhuman 175 metabolism 165 controlled study 147 animal cell 111 priority journal 104 animal experiment 100 human cell 97 article 96 genetics 93 unclassified drug 89 Article 88 animal model 85 female 79 pathology 74 protein expression 72 Female 71 physiology 68 drug effects 54 chemistry 53 signal transduction 49 gene expression regulation 45 in vitro study 45 Cell Line, Tumor 44 animal tissue 44