Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

42 questions · 42 findings · 3 reviews · ENT

No studies found 22 · 52.4%GRADE not reported 0 · 0%Very low 16 · 38.1%Low 3 · 7.1%Moderate 1 · 2.4%High 0 · 0%