title: [Prevalence of congenital cardiac defects in a population of 38,674 students].
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006330:Heart Defects, Congenital / Q000453:epidemiology*; D006801:Humans; D008297:Male; D013030:Spain
vernacular_title: Prevalencia de anomalías congénitas cardiacas en una población de 38.674 escolares.