title: Natural history of ventricular septal defect.
mesh_terms: D001024:Aortic Valve Stenosis / Q000150:complications; D001794:Blood Pressure; D002648:Child; D002675:Child, Preschool; D004698:Endocarditis, Subacute Bacterial / Q000150:complications; D006333:Heart Failure / Q000150:complications; D006345:Heart Septal Defects, Ventricular / Q000150:complications / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D007223:Infant; D010701:Phonocardiography; D011652:Pulmonary Circulation; D012039:Regional Blood Flow; D014655:Vascular Resistance