nonhuman Animals 157 cell survival 149 controlled study 140 animal cell 131 priority journal 125 article 121 Cell Survival 116 human 87 Humans 86 mouse 86 Mice 80 unclassified drug 70 animal 66 protein expression 66 apoptosis 60 Article 58 animal experiment 58 metabolism 58 human cell 57 animal model 50 Apoptosis 45 cell proliferation 43 female 43 signal transduction 40 animal tissue 37 cell viability 37 genetics 36 in vitro study 36 Signal Transduction 31