SINGLETON, E B Radiological evaluation of isolated ventricular septal defects before and after surgical closure. [electronic resource] - Radiology Jul 1959 - 37-47 p. digital Publication Type: Journal Article ISSN: 0033-8419 Standard No.: 10.1148/73.1.37 doi Subjects--Topical Terms: Heart Defects, CongenitalHeart Septal DefectsHeart Septal Defects, VentricularHeart Septum--abnormalitiesHumans