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PostScript
Correspondence
Author's response to letter on number needed to treat in COPD: exacerbations versus pneumonias
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Footnotes
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Competing interests The author has received research grants and/or participated in advisory meetings or as conference speaker for AstraZeneca, Boehringer-Ingelheim, Forest, GlaxoSmithKline, Merck, Novartis, Nycomed and Pfizer.
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Provenance and peer review Not commissioned; internally peer reviewed.