article chemistry metabolism 392 animal 292 Animals 260 chemical structure 260 nonhuman 194 human 184 Humans 180 genetics 180 controlled study 168 methodology 168 unclassified drug 160 priority journal 148 Molecular Structure 142 physiology 134 Models, Molecular 130 isolation and purification 120 drug effect 114 enzymology 108 Molecular Sequence Data 104 molecular genetics 104 kinetics 98 oxidation reduction reaction 98 nuclear magnetic resonance spectroscopy 96 Oxidation-Reduction 94 Magnetic Resonance Spectroscopy 92 Water 92 Kinetics 90 water 90