ASHRAF, H.; GANIE, F.; KHAN, T.; KAWOOSA, N.; KHAN, M.; SINGH, S.; DAR, A.; BHAT, M.; AHANGAR, A.; LONE, G. Does Myocardial Oxygen Extraction Depend on Preoperative Functional Class in Beating Heart Atrial Septal Defect Repair. JMS SKIMS, v. 24, n. 1, p. 12-17, 16 Feb. 2021.