Central and peripheral airway/alveolar sites of exhaled nitric oxide in acute asthma
Arthur F Gelb, Steven C George, Philip E Silkoff, Anita Krishnan, Christine Fraser, Colleen Flynn Taylor, Chris M Shinar, Tamara Maginot
Thorax Jul 2010, 65 (7) 619-625; DOI: 10.1136/thx.2009.132696