The first Web site (1) from the National Center for Biotechnology Information offers a brief introduction to pharmacogenomics, a new science that "examines the inherited variations in genes that dictate drug response and explores the ways these variations can be used to predict whether a patient will have a good response to a drug, a bad response to a drug, or no response at all." This Web site...

This GeneTests website "is a publicly funded medical genetics information resource for physicians, other healthcare providers, and researchers, available at no cost to all interested persons." The GeneTests site features _Gene Reviews_, an online publication of expert-authored disease reviews. The site also offers international directories of genetic testing laboratories and genetics and prenatal...