Increased exhaled nitric oxide in patients with stable chronic obstructive pulmonary disease
Massimo Corradi, Maria Majori, Gian Carlo Cacciani, Gian Franco Consigli, Eriberto de’Munari, Alberto Pesci
Thorax Jul 1999, 54 (7) 572-575; DOI: 10.1136/thx.54.7.572