Short-term effects of nitrogen dioxide on mortality: an analysis within the APHEA project
E. Samoli, E. Aga, G. Touloumi, K. Nisiotis, B. Forsberg, A. Lefranc, J. Pekkanen, B. Wojtyniak, C. Schindler, E. Niciu, R. Brunstein, M. Dodič Fikfak, J. Schwartz, K. Katsouyanni
European Respiratory Journal Jun 2006, 27 (6) 1129-1138; DOI: 10.1183/09031936.06.00143905