title: [Surgical treatment of congenital heart disease in early childhood].
mesh_terms: D000367:Age Factors; D002031:Bulgaria; D006348:Cardiac Surgical Procedures / Q000401:mortality; D002675:Child, Preschool; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
vernacular_title: Khirurgichno lechenie na vrodenite surdechni porotsi v rannata detska vuzrast