article nonhuman 521 controlled study 301 metabolism 265 unclassified drug 259 priority journal 222 genetics 210 Argentina 209 Animals 204 plant leaf 183 plant 176 plant extract 165 physiology 164 Plant Proteins 159 chemistry 144 growth, development and aging 128 Plant Leaves 122 vegetable protein 118 plant root 115 Gene Expression Regulation, Plant 108 Plant Roots 105 animal 105 Molecular Sequence Data 102 Fungi 100 Plants 97 gene expression regulation 96 enzymology 95 nucleotide sequence 95 drug effect 92 Plant Extracts 91