Sousa, S. I. V., Ferraz, C., Alvim-Ferraz, M. C. M., Vaz, L. G., Marques, A. J., & Martins, F. G. (2012). Indoor air pollution on nurseries and primary schools: Impact on childhood asthma – study protocol. BioMed Central.

Sousa, Sofia I V., Catarina Ferraz, Maria C M. Alvim-Ferraz, Luisa G. Vaz, Agostinho J. Marques, e Fernando G. Martins. Indoor Air Pollution On Nurseries and Primary Schools: Impact On Childhood Asthma – Study Protocol. BioMed Central, 2012.

Sousa, Sofia I V., et al. Indoor Air Pollution On Nurseries and Primary Schools: Impact On Childhood Asthma – Study Protocol. BioMed Central, 2012.