Humans controlled study mouse Animals 291 nonhuman 291 Mice 266 human 244 article 208 priority journal 208 animal cell 197 animal experiment 179 animal model 159 human cell 156 animal 142 protein expression 142 metabolism 126 unclassified drug 125 Female 113 female 111 animal tissue 96 Article 86 Cell Line, Tumor 77 cell proliferation 77 genetics 73 Male 71 male 71 signal transduction 68 in vivo study 66 in vitro study 64 Mice, Inbred BALB C 61