Asthma prevalence and risk factors in school children: The RESPIR longitudinal study Julia Alfonso; Santiago Pérez; Ricardo Bou; Ana Amat; Irene Ruiz; Amparo Mora; Silvia Escolano; Laura Chofre;

Perinatal smoking exposure and risk of asthma in the first three years of life: A prospective prebirth cohort study K. Tanaka; M. Arakawa; Y. Miyake;

Immunogenicity of a new allergoid from Felis domesticus J.P. Sola González; E. Bravo Hernández; A. Cerezo Abellán; M. Peñalver-Mellado;