Impact of CYP1A1 Polymorphisms on Susceptibility to Chronic Obstructive Pulmonary Disease: A Meta-Analysis.

Biomed Res Int · 2015 · PMC4573875 · PMID 26425562

Europe PMC DOI

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a significant trendno p-value reported

Although these results might be limited by quantity of included studies, we still believed a significant trend existed between CYP1A1 polymorphisms and COPD risk and our meta-analysis figured out the direction of further studies.

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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.