National Institutes of Health . Search engine that covers over 100 NIH web and gopher sites. Catalog of the world's largest medical library includes references to books, journals and audiovisual materials. Items with electronic equivalents may be hotlinked. National Mental Health Services Knowledge Exchange Network .
Databases cover mental health organizations, contact persons, and bibliographic information.
National Rehabilitation Information Center . Offers databases of document summaries, reports, programs and other resources. National Toxicology Program . Databases available include Chemical Safety, which allows searching for material about specific chemicals. A variety of information about different types of cancer, oncology drugs and their evaluation, and FDA regulations.