article 565 nonhuman 332 Argentina 310 Animals 282 controlled study 255 priority journal 252 Humans 140 unclassified drug 131 human 127 metabolism 124 animal 123 animal cell 116 Mice 102 South America 101 male 101 mouse 98 Male 92 physiology 91 genetics 89 Female 82 protein expression 82 female 80 animal experiment 74 human cell 69 signal transduction 64 Animalia 59 animal tissue 58 chemistry 57 Molecular Sequence Data 53 protein function 51