Filtered resources have undergone critical review, and often contain recommendations for practice. Such sources include
Systematic Reviews
Focused on a specific clinical questions, systematic reviews are a comprehensive overview of the existing literature, with the less reputable results eliminated. Then, specific guideline and recommendations for practice are based off of the remaining well done studies.
Critically-Appraised Topics
A summary of research evidence and practice recommendations based around a clinical question, a CAT is like a less rigorous and comprehensive version of a systematic review.
Critically-Appraised Individual Articles
Individual articles that have been evaluated and synopsized for practice recommendations.