Kanwal, A.; Shiekh, A. M.; Azim, K.; Khattak, K. K. PROCEDURAL TECHNICALITIES AND OUTCOME OF TRANSCATHETER CLOSURE OF ATRIAL SEPTAL DEFECT USING OCCLUTECH DEVICE IN TERTIARY CARE CENTRE. Pak Armed Forces Med J 2021, 71 (6), 2170-74. https://doi.org/10.51253/pafmj.v71i6.3342.