The UT Southwestern Librarians provide two levels of Evidence Synthesis/Systematic Review (ES/SR) support.
Umbrella review – is a review of systematic reviews that compiles evidence from existing systematic reviews on a shared topic into one accessible and usable document. It may be conducted when there are competing interventions.
What are Umbrella Reviews? (JBI) on YouTube (1:30).
Umbrella Reviews: How are they useful? (JBI) on YouTube (0:59).