Emma J Welsh

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Dear Sirs, We read with interest the paper by Ho et al, 1 which used the AMSTAR tool to assess the methodological quality of systematic reviews (SRs) on chronic obstructive pulmonary disease (COPD). As staff at the Cochrane Airways Group with the responsibility of producing high-quality SRs for airway conditions, including COPD, we are always happy to hear(More)
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