title: [Ultrasonography and its use in the diagnosis of congenital heart defects].
mesh_terms: D002648:Child; D002675:Child, Preschool; D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006343:Heart Septal Defects / Q000175:diagnosis; D006349:Heart Valve Diseases / Q000151:congenital / Q000175:diagnosis; D006801:Humans; D007223:Infant; D013771:Tetralogy of Fallot / Q000175:diagnosis; D014463:Ultrasonography
vernacular_title: Ultrasonografia i jej zastosowanie w diagnostyce wad wrodzonych serca.