Daily variations in air pollution and respiratory health in a multicentre study: the PEACE project. Pollution Effects on Asthmatic Children in Europe
W Roemer, G Hoek, B Brunekreef, J Haluszka, A Kalandidi, J Pekkanen
European Respiratory Journal 1998 12: 1354-1361; DOI: 10.1183/09031936.98.12061354