RT Journal Article SR Electronic T1 Is exhaled nitric oxide a marker of air pollution effect? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1304 OP 1306 DO 10.1183/13993003.00521-2016 VO 47 IS 5 A1 Isabella Annesi-Maesano A1 Anh Tuan Dinh-Xuan YR 2016 UL http://erj.ersjournals.com/content/47/5/1304.abstract AB