AltaVista (like a book index)http://www.altavista.digital.com/

AltaVista is a search engine. Boolean searches are accessible via the AltaVista Advanced Search. The AltaVista slides show a sample search for links to information on screening mammography.

This slide highlights AltaVista help. You may skip to the slide showing the search results if you are familiar with AltaVista by following this link.