The effects of long-term noninvasive ventilation in hypercapnic COPD patients: a randomized controlled pilot study.

Int J Chron Obstruct Pulmon Dis · 2011 · PMC3224655 · PMID 22135493

Europe PMC DOI

hedged sentence

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The sentences

highly significantno p-value reported

There was a highly significant correlation between the % increase in mass flow towards lobes with a blood vessel density of >9% and the increase in PaO 2 .

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.