Interatrial septal defect in the elderly. A report on 3 patients.
D000368:Aged; D054087:Atrial Septum; D006325:Heart Atria; D006330:Heart Defects, Congenital; D006344:Heart Septal Defects, Atrial; D006346:Heart Septum; D006801:Humans
HEART DEFECTS, CONGENITAL; HEART SEPTUM ATRIAL