Are healthy smokers really healthy?

Tob Induc Dis · 2016 · PMC5111288 · PMID 27891067

Europe PMC DOI

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a significant trendno p-value reported

[ 32 ] showed a significant trend for greater Tc1/Tc2 ratio in BAL of patients with COPD and smokers compared with nonsmokers.

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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.