The purpose is to provide to a variety of customers an organized listing of references to current, credible, and reliable medical and healthcare web sites.  The purpose is also to provide these references in as simple straight forward format that captures the basic essence of the web sites in clusters of common major medical and healthcare topical categories at the major domain level.  The purpose is not to provide search capabilities to in depth specific site documents, reports, data, text, and images.  The format extends to the Menu level only and to a general description of content.