Khan, I. U.; Ahmed, I.; Mufti, W. A.; Rashid, A.; Khan, A. A.; Ahmed, S. A.; Imran, M. VENTRICULAR SEPTAL DEFECT IN INFANTS AND CHILDREN WITH INCREASED PULMONARY VASCULAR RESISTANCE AND PULMONARY HYPERTENSION - SURGICAL MANAGEMENT: LEAVING AN ATRIAL LEVEL COMMUNICATION. J Ayub Med Coll Abbottabad 2006, 18, 21-25.