A comparison of changes in pulmonary flow resistance in healthy volunteers acutely exposed to SO-2 by mouth and by nose.
D006801:Humans; D008168:Lung / Q000187:drug effects*; D008297:Male; D009055:Mouth; D009666:Nose; D012129:Respiratory Function Tests; D013458:Sulfur Dioxide / Q000494:pharmacology*
D013458:Sulfur Dioxide