Humans animal experiment controlled study nonhuman 249 Animals 245 human 190 mouse 179 priority journal 175 article 171 Mice 164 animal model 164 animal cell 134 animal 119 Female 115 female 115 protein expression 112 human cell 108 animal tissue 105 Male 97 male 96 metabolism 93 unclassified drug 90 in vivo study 75 Article 74 in vitro study 59 cell proliferation 56 pathology 55 genetics 54 Cell Line, Tumor 51 Mice, Inbred BALB C 47