The European Community Respiratory Health Survey: what are the main results so far?
C. Janson, J. Anto, P. Burney, S. Chinn, R. de Marco, J. Heinrich, D. Jarvis, N. Kuenzli, B. Leynaert, C. Luczynska, F. Neukirch, C. Svanes, J. Sunyer, M. Wjst
European Respiratory Journal Sep 2001, 18 (3) 598-611; DOI: 10.1183/09031936.01.00205801