Dietary vitamin C intake protects against COPD: the Korea National Health and Nutrition Examination Survey in 2012.

Int J Chron Obstruct Pulmon Dis · 2016 · PMC5098518 · PMID 27843308

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extremely significantno p-value reported

The results obtained by this study are extremely significant, as this study represents almost half of the total Korean population (n=23,541,704).

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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.