cytotoxicity nonhuman 172 article 160 controlled study 149 priority journal 118 unclassified drug 112 Animals 105 animal cell 103 human 96 human cell 80 Humans 73 mouse 65 antiviral activity 60 Article 56 in vitro study 50 apoptosis 47 Antiviral Agents 46 Cell Survival 46 Mice 46 Vero Cells 42 animal 41 Cercopithecus aethiops 40 animal experiment 40 animal model 36 drug effects 32 male 32 antivirus agent 30 female 30 protein expression 29 Herpes simplex virus 1 28