Authors:
Penttinen, P
Timonen, KL
Tiittanen, P
Mirme, A
Ruuskanen, J
Pekkanen, J
Citation: P. Penttinen et al., Number concentration and size of particles in urban air: Effects on spirometric lung function in adult asthmatic subjects, ENVIR H PER, 109(4), 2001, pp. 319-323