MORTENSEN, J Clinical and physiologic changes following surgical closure of atrial septal defect. [electronic resource] - Diseases of the chest Oct 1961 - 428-38 p. digital Publication Type: Journal Article ISSN: 0096-0217 Standard No.: 10.1378/chest.40.4.428 doi Subjects--Topical Terms: Heart Septal DefectsHeart Septal Defects, AtrialHeart Septum--abnormalitiesHumans