The EMECAM project: a multicentre study on air pollution and mortality in Spain: combined results for particulates and for sulfur dioxide
F Ballester, M Sáez, S Pérez-Hoyos, C Iñíguez, A Gandarillas, A Tobías, J Bellido, M Taracido, F Arribas, A Daponte, E Alonso, A Cañada, F Guillén-Grima, L Cirera, M J Pérez-Boíllos, C Saurina, F Gómez, J M Tenías
Occupational and Environmental Medicine May 2002, 59 (5) 300-308; DOI: 10.1136/oem.59.5.300
