Radiation Sciences

Database of systematic reviews of the effects of healthcare. Includes Database of Systematic Reviews, Database of Abstracts of Reviews of Effectiveness, Controlled Trials Register, and Review Methodology.

Database of references cited in articles from more than 5,900 major journals across 150 scientific disciplines. Search by cited reference, topic, and author.

Scholarly literature crawled by Google.

Citation databases that can be searched by topic and that has connections between sources, including journal articles and conference papers, that cite each other. It includes searches by cited reference as well as regular searches by keywords, title, and author.

After the National Clearinghouse Guidelines was shutdown in July 2018, the ECRI Institute has compiled this repository in response to serve as a "continuously updated repository gives you access to expertly vetted evidence-based Guideline Briefs based on guidelines from participating guideline developers, medical specialty societies, and other healthcare organizations." Registration is required and currently free.