COLLINS, H A Surgical closure of atrial septal defects. [electronic resource] - The Journal of the Tennessee State Medical Association. Tennessee State Medical Association May 1961 - 145-50 p. digital Publication Type: Journal Article ISSN: 0735-7338 Subjects--Topical Terms: Heart Septal DefectsHeart Septal Defects, AtrialHeart Septum--abnormalitiesHumans