Humans human mouse Animals 338 Mice 300 nonhuman 296 controlled study 258 article 216 animal 212 priority journal 200 animal cell 192 human cell 186 metabolism 162 animal experiment 158 unclassified drug 138 animal model 134 protein expression 128 Female 120 female 108 genetics 92 Article 90 Cell Line, Tumor 80 animal tissue 76 cell proliferation 74 male 72 pathology 72 physiology 72 Male 70 in vitro study 68 in vivo study 64