RT Journal Article SR Electronic T1 Exhaled nitric oxide and COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 692 OP 692 DO 10.1183/09031936.00058310 VO 36 IS 3 A1 Taylor, D.R. A1 Dummer, J. YR 2010 UL http://erj.ersjournals.com/content/36/3/692.1.abstract AB