priority journal nonhuman 454 article 418 Animals 340 controlled study 298 Humans 214 human 200 Models, Biological 174 animal cell 136 unclassified drug 136 animal 114 Article 112 metabolism 112 Female 108 Male 102 animal experiment 102 male 102 female 100 protein expression 94 biological model 88 animal tissue 84 Mice 82 mouse 76 human cell 72 physiology 64 Time Factors 60 enzyme activity 60 Animalia 58 gene expression 58 Biological Transport 54