The role of IREB2 and transforming growth factor beta-1 genetic variants in COPD: a replication case-control study.

BMC Med Genet · 2011 · PMC3047296 · PMID 21320324

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an apparent trendno p-value reported

An apparent trend in the IREB2 gene for SNP allele frequency with increasing severity was tested using SAS PROG GLM software with CONTRAST statement.

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