Associations between single nucleotide polymorphisms in iron-related genes and iron status in multiethnic populations.

PLoS One · 2012 · PMC3382217 · PMID 22761678

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nominally significantno p-value reported

Covariates showing nominally significant effects on an outcome were included in multiple regression models that also included genotype effects.

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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.