Gaceta Sanitaria

238 - BELIEFS ABOUT MEDICINES AND ILLNESS PERCEPTIONS AS LONGITUDINAL PREDICTORS OF OUTCOMES IN PAEDIATRIC ASTHMA S. Perry-Pasten; C. Lizano-Barrantes; M. Ferrer; O. Garin; A. Pont; M. Caballero-Rabasco; J. Cáceres; I. de Mir; G. Hernández;