article chemistry metabolism 361 animal 272 chemical structure 248 Animals 241 nonhuman 178 human 170 Humans 166 genetics 159 methodology 159 controlled study 153 unclassified drug 146 priority journal 138 Molecular Structure 137 Models, Molecular 123 physiology 119 isolation and purification 115 drug effect 110 enzymology 102 oxidation reduction reaction 96 Molecular Sequence Data 95 molecular genetics 95 Oxidation-Reduction 93 kinetics 93 nuclear magnetic resonance spectroscopy 92 Magnetic Resonance Spectroscopy 89 Water 89 water 87 Kinetics 86