Intraflagellar transport gene expression associated with short cilia in smoking and COPD.

PLoS One · 2014 · PMC3896362 · PMID 24465567

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a nonsignificant trendno p-value reported

Because the COPD smokers in the SAE group of the study reported significantly more pack-yr of smoking than did the healthy smokers, and the COPD smokers in the LAE group had a nonsignificant trend toward more pack-yr of smoking than healthy smokers, a subset of COPD smokers in each group was randomly selected that was matched for pack-yr with the healthy smokers.

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