Drug Metabolism Reviews consistently provides critically needed reviews of an impressive array of drug metabolism research-covering established, new, and potential drugs; environmentally toxic chemicals; absorption; metabolism and excretion; and enzymology of all living species. Additionally, the journal offers new hypotheses of interest to diverse groups of medical professionals including pharmacologists, toxicologists, chemists, microbiologists, pharmacokineticists, immunologists, mass spectroscopists, as well as enzymologists working in xenobiotic biotransformation.