animal model animal tissue article controlled study nonhuman 336 animal experiment 316 Animals 283 priority journal 264 mouse 231 Mice 202 female 178 male 150 animal cell 146 Female 142 Male 126 protein expression 113 rat 96 Rats 84 Mice, Inbred BALB C 79 Humans 61 enzyme activity 61 Animalia 58 cell proliferation 58 unclassified drug 58 Disease Models, Animal 54 messenger RNA 47 human 46 in vivo study 45 Mice, Inbred C57BL 44 Rats, Sprague-Dawley 42