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What do systematic reviews say?

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Evidence found and GRADE certainty

12 questions · 14 findings · 1 reviews · Pain, Palliative and Supportive Care

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 14.3%Low 3 · 21.4%Moderate 9 · 64.3%High 0 · 0%