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Sulphur dioxide (SO2) is an important environmental and workplace air pollutant. Some studies demonstrate that subjects without adaptation respond to SO2 up to 10 ppm with irritative effects on the airways. The aim of our study was to assess irritative effects of SO2 up to 2 ppm on the airways using non-invasive methods like exhaled breath condensate (EBC), nasal lavage fluid (NALF) and exhaled nitric...
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