Branco, P.T.B.S.
Nunes, R.A.O.
Alvim-Ferraz, M.C.M.
Martins, F.G.
Ferraz, C.
Vaz, L.G.
Sousa, S.I.V.
This article is maintained by: Elsevier
Article Title: Asthma prevalence and risk factors in early childhood at Northern Portugal
Journal Title: Revista Portuguesa de Pneumologia (English Edition)
CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.rppnen.2015.11.001
Content Type: article
Copyright: © 2015 Sociedade Portuguesa de Pneumologia. Published by Elsevier España, S.L.U.