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What do systematic reviews say?

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Evidence found and GRADE certainty

331 questions · 352 findings · 72 reviews · Pain, Palliative and Supportive Care · Headline outcomes only

No studies found 352 · 100%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%