chemistry article 563 metabolism 385 animal 269 Animals 253 nonhuman 231 human 211 Humans 201 controlled study 187 Article 182 chemical structure 179 priority journal 177 unclassified drug 177 genetics 169 physiology 107 Models, Molecular 105 Molecular Structure 99 isolation and purification 98 methodology 90 molecular dynamics 90 enzymology 88 synthesis 85 kinetics 82 water 82 Water 79 Kinetics 75 drug effect 75 molecular genetics 75 Molecular Sequence Data 74 drug effects 73