Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

91 questions · 91 findings · 18 reviews · Skin

No studies found 69 · 75.8%GRADE not reported 10 · 11%Very low 4 · 4.4%Low 2 · 2.2%Moderate 5 · 5.5%High 1 · 1.1%