Animals Mice animal model controlled study mouse nonhuman animal experiment 409 article 346 priority journal 318 animal tissue 252 animal cell 242 female 217 Female 204 male 189 Male 177 animal 153 protein expression 151 Humans 143 Mice, Inbred BALB C 141 human 120 metabolism 120 unclassified drug 111 in vivo study 90 Article 86 Mice, Inbred C57BL 81 cell proliferation 81 human cell 81 in vitro study 81 drug effect 74 Mus 73