Changes in active and passive smoking in the European Community Respiratory Health Survey
C. Janson, N. Künzli, R. de Marco, S. Chinn, D. Jarvis, C. Svanes, J. Heinrich, R. Jõgi, T. Gislason, J. Sunyer, U. Ackermann-Liebrich, J. M. Antó, I. Cerveri, M. Kerhof, B. Leynaert, C. Luczynska, F. Neukirch, P. Vermeire, M. Wjst, P. Burney
European Respiratory Journal Mar 2006, 27 (3) 517-524; DOI: 10.1183/09031936.06.00106605