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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 27 (3) 517-524; DOI: 10.1183/09031936.06.00106605 Published 1 March 2006