Khanzada, M. F.; Mumtaz, Z.; Mueed, A.; Shaikh, S. A.; Naqvi, S. H. R.; Qadir, F. SUCCESSFUL PERFORMANCE OF CARDIAC ELECTROPHYSIOLOGICAL PROCEDURES VIA A CONGENITAL INFERIOR VENA CAVA ANOMALY- REPORT OF 2 CASES. Pak Heart J 2020, 53.