title: [Ultrasonocardiogram in children under 2 years of age with congenital ventricular septal defect].
mesh_terms: D000367:Age Factors; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male
vernacular_title: Ultrasonokardiogram u dzieci z wrodzonym ubytkiem przegrody miedzykomorowej w wieku do 2 lat.