(1)
Shabbir, M. M.; Ahmed, W. COMBINED ATRIAL SEPTAL DEFECT CLOSURE AND PERCUTANEOUS PULMONARY VALVULOPLASTY FOR SECUNDUM ATRIAL SEPTAL DEFECT AND ASSOCIATED PULMONARY VALVULAR STENOSIS: Combined Atrial Septal Defect Closure. Pak Armed Forces Med J 2010, 60 (2), 314-5.