A search engine for evidence-based clinical information. Results are sorted by type of evidence including: evidence-based synopses, systematic reviews, guidelines, primary research, textbooks and information for patients.
The Advanced search in Google allows you to target searches by domains (.gov, .edu, .org) and restrict keyword searches to specific fields like title, or URL
The National Academies Press (publication arm of the National Academies of Sciences, Engineering and Medicine) publishes more than 200 books a year on a wide range of topics, providing authoritative, independently-researched information on important matters in science and health policy.