Short-term effects of particulate air pollution on cardiovascular diseases in eight European cities
A Le Tertre, S Medina, E Samoli, B Forsberg, P Michelozzi, A Boumghar, J M Vonk, A Bellini, R Atkinson, J G Ayres, J Sunyer, J Schwartz, K Katsouyanni
Journal of Epidemiology & Community Health Oct 2002, 56 (10) 773-779; DOI: 10.1136/jech.56.10.773