Relation of symptoms to contractility and defect size in infants with ventricular septal defect.
Kimball TR, Daniels SR, Meyer RA, Hannon DW, Khoury P, Schwartz DC. Relation of symptoms to contractility and defect size in infants with ventricular septal defect. Am J Cardiol. 1991 May 15; 67(13):1097-102.