Yottalook is a free medical imaging search engine designed to provide the practicing radiologists the most important and most relevant information they need at the time of patient care.
Most major radiology journals publish online, but open access to just published content is only available to subscribers. Through agreements with these cooperating major radiology journals, the GORAD platform selects and provides immediate open access to a limited amount of otherwise restricted access content.
The American College of Radiology (ACR) Appropriateness Criteria on Diagnostic Imaging Topics is a very useful resource for doctors in all specialties that guides which exam is most appropriate in each clinical situation.
United States specialty societies representing more than 500,000 physicians developed lists of things physicians and patients should question in order to improve care and eliminate unnecessary tests and procedures.
The Geneva Foundation is an amazingly well organized directory of links organized by diseases and conditions mostly on gynecology and obstetrics. There is also an excellent link directory on free medical journals in all specialties, including radiology journals.