Allergy, cilt.61, sa.12, ss.1448-53, 2006 (SCI Expanded İndekslerine Giren Dergi)
Background: Asthma is a common chronic illness in childhood. The aim of the study was to examine time trends in the prevalence of asthma using the ISAAC questionnaire in 6- to 12-year-old schoolchildren in Istanbul and factors affecting asthma prevalence.