animal experiment animal model article nonhuman controlled study 285 Animals 249 priority journal 228 mouse 208 Mice 177 animal tissue 164 female 157 animal cell 140 Female 138 male 128 Male 112 rat 89 protein expression 86 Rats 78 Mice, Inbred BALB C 67 unclassified drug 63 Humans 53 enzyme activity 53 Animalia 51 human 47 in vivo study 43 cell proliferation 42 animal 40 drug effect 40 Disease Models, Animal 39 in vitro study 39