%0 Journal Article %T New methods to measure the airway surface liquid %A Middleton Peter %A Jayaraman S %A Song Y %A Vetrivel L %J Respiratory Research %D 2001 %I BioMed Central %R 10.1186/rr-2001-68487 %K ASL %K chloride %K cystic fibrosis %K pH %K sodium %U http://newdesign.respiratory-research.com/paperreports/rr-2001-68487