Animals animal tissue controlled study mouse nonhuman Mice 394 priority journal 337 animal experiment 329 article 308 animal model 262 male 202 animal cell 197 female 187 Male 183 Female 182 animal 174 protein expression 147 metabolism 140 Article 120 Mice, Inbred C57BL 107 Mice, Inbred BALB C 104 unclassified drug 98 Humans 96 human 83 signal transduction 83 physiology 78 cell proliferation 74 enzyme activity 72 in vivo study 70 immunohistochemistry 67