Joint effect of smoking and NQO1 C609T polymorphism on undifferentiated nasopharyngeal carcinoma risk in a North African population.

Mol Genet Genomic Med · 2018 · PMC6305636 · PMID 30160047

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did not reach statistical significanceno p-value reported

However a trend of increased risk of UCNT with increased dose of cigarette intake per day was apparent, the OR of ever‐smokers compared to nonsmokers was 1.3, but this did not reach statistical significance (Feng et al., 2009 ).

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