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. 2016 May 25;11:1077–1085. doi: 10.2147/COPD.S104616

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© 2016 Bräunlich et al. This work is published and licensed by Dove Medical Press Limited

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Percentage changes in tidal volume (n=18, medium prong size).

Notes: *Significant P-value and **no significant P-value.

Abbreviations: nBiPAP, (nasal) bilevel positive airway pressure; nCPAP, (nasal) continuous positive airway pressure.