chemistry drug effect article 110 animal 91 Animals 83 nonhuman 60 metabolism 59 Humans 57 human 57 controlled study 52 unclassified drug 44 isolation and purification 35 physiology 35 priority journal 35 chemical structure 33 Molecular Structure 25 Antiviral Agents 24 Article 24 antivirus agent 24 rat 24 animal cell 23 female 23 Polysaccharides 22 Rats 22 Cercopithecus aethiops 21 in vitro study 21 Female 19 cell culture 19 Cell Survival 18 cell survival 18