Respiratory effects of fine and ultrafine particles from indoor sources--a randomized sham-controlled exposure study of healthy volunteers.

Int J Environ Res Public Health · 2014 · PMC4113851 · PMID 25000149

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showed a trendno p-value reported

The association of UFP (PNC (<100 nm)) showed a trend towards a decrease with MEF 25 % –75% , only.

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