RT Journal Article SR Electronic T1 Outdoor second-hand cigarette smoke significantly affects air quality JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP ERJ-00064-2016 DO 10.1183/13993003.00064-2016 A1 Ario Alberto Ruprecht A1 Cinzia De Marco A1 Paolo Pozzi A1 Roberto Mazza A1 Elena Munarini A1 Adriano Di Paco A1 Paolo Paredi A1 Giovanni Invernizzi A1 Roberto Boffi YR 2016 UL http://erj.ersjournals.com/content/early/2016/05/26/13993003.00064-2016.abstract AB