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 [Internet]. 2021Feb.16 [cited 2026Oct.6];24(1):12-7. Available from: https://old.jmsskims.org/index.php/jms/article/view/817