Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

84 questions · 84 findings · 16 reviews · Skin

No studies found 63 · 75%GRADE not reported 10 · 11.9%Very low 4 · 4.8%Low 2 · 2.4%Moderate 4 · 4.8%High 1 · 1.2%