RT Journal Article SR Electronic T1 Health effects of a subway environment in healthy volunteers. Experimental data JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00099909 A1 A.K. Nyström A1 M. Svartengren A1 J. Grunewald A1 C. Pousette A1 I. Rödin A1 A. Lundin A1 C.M. Sköld A1 A. Eklund A1 B-M. Larsson YR 2009 UL http://erj.ersjournals.com/content/early/2009/12/23/09031936.00099909.abstract AB