Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

53 questions · 56 findings · 9 reviews

No studies found 2 · 3.6%GRADE not reported 0 · 0%Very low 1 · 1.8%Low 14 · 25%Moderate 31 · 55.4%High 8 · 14.3%

Beta‐2 agonists vs placebo

Cough · people with acute cough or a clinical diagnosis of acute bronchitis
4 findings from 1 review
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