Cabrera, Ángelita; Picado, César; Rodríguez, Alejandro; García-Marcos, Luis
(BMJ PUBLISHING GROUP, 2021-09)
BACKGROUND: In 2003, the International Study of Asthma and Allergies in Childhood (ISAAC) estimated the prevalence of asthma, rhinitis and eczema symptoms in Quito, Ecuador. Since then, no update of this study has been ...