Interleukin-13 +1923C/T polymorphism is associated with asthma risk: a meta-analysis.

Biomed Res Int · 2013 · PMC3693103 · PMID 23841068

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showed a trendno p-value reported

Results from the cumulative meta-analyses showed a trend of more obvious association between IL-13 +1923C/T polymorphism and an increased risk of asthma as information accumulated by year.

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