(Q59737439)
Statements
[Incidence, air pollution and risk factors of acute otitis media in the first year of life: a prospective study] (English)
Ma J Cáceres Udina
J A Alvarez Martínez
J Argente del Castillo
Ma A Chumilla Valderas
E Fernández Alvarez
A Garrido Romera
F Sánchez Gascón
1 February 2004