Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

81 questions · 82 findings · 4 reviews · Skin

No studies found 32 · 39%GRADE not reported 0 · 0%Very low 20 · 24.4%Low 17 · 20.7%Moderate 11 · 13.4%High 2 · 2.4%