title: Congenital heart disease in Singapore--present problems and future perspectives.
mesh_terms: D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D005260:Female; D006330:Heart Defects, Congenital / Q000453:epidemiology* / Q000601:surgery; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012846:Singapore