1. Spontaneous functional closure of ventricular septal defects in fourteen children demonstrated by serial cardiac catheterizations and angiocardiography;Agustsson;Pediatrics,1963
2. Atrial septal defect;Bedford;Brit. Heart J.,1941
3. The natural history of ventricular septal defect in patients surviving infancy;Bloomfield;Circulation,1964
4. Patent ductus arteriosus Botalli in an octogenarian followed for fifty years;Bøe;Acta med. scand.,1960
5. The prognosis of atrial septal defect;Campbell;Brit. med. J.,1957