title: [1st National Congress of Pediatric Cardiology (III). Sevilla, Spain. 23-24 May 2003. Abstracts].
mesh_terms: D000293:Adolescent; D002309:Cardiology; D002318:Cardiovascular Diseases; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn