1. Cooperative study on cardiac catheterization;Braunwald;Circulation,1968
2. Atrial septal defect in the middleaged and elderly;Markham;Quart J Med,1965
3. Atrial septal defect in the aged;Rodstein;Circulation,1961
4. The prognosis of atrial septal defect;Campbell;Brit Med J,1957
5. Atrial septal defect—primum type;Weyn;Circulation,1965