Animals 305 Humans Mice controlled study nonhuman 285 mouse 266 human 241 article 233 priority journal 221 animal cell 200 animal experiment 164 human cell 163 animal model 148 protein expression 147 unclassified drug 131 animal 124 Female 107 female 107 metabolism 106 animal tissue 90 cell proliferation 76 Cell Line, Tumor 73 Male 73 male 69 Article 68 signal transduction 68 genetics 63 in vitro study 61 in vivo study 60 Mice, Inbred BALB C 57