A good source for career information as well. Don't miss the Electronic Journal Showcase , which features several free, full-text electronic journals. Maintained primarily by participating universities, emphasis is on quality sites. Registration required, but access is free. Also included are summaries of recent research articles from sources such as JAMA and The New England Journal of Medicine and the full-text of several electronic journals.
Registration is required, but access is free.
Searchable by keyword or index. Very strong on country and regional links. Topics include clinical trials, treatment issues, pediatric aids, etc. Keyword searching available. This site is a source of background information on the history of several diseases and includes maps of the global spread of each.