biosynthesis article 442 metabolism 358 nonhuman 250 animal 234 priority journal 186 controlled study 182 Animals 178 genetics 126 enzymology 112 physiology 110 unclassified drug 108 human 104 drug effect 96 Humans 90 Support, Non-U.S. Gov't 88 Animal 86 chemistry 86 rat 78 Rats 76 male 76 Male 74 animal cell 74 Article 72 mouse 68 Female 64 female 62 gene expression regulation 62 Kinetics 60 Mice 60