Hoque, R., Z. Rahman, S. S. Husain, M. Nuruzzaman, M. Alauddin, and A. Ali. “Safety and Efficacy of Atrial Septal Defect Closure on Normothermic on-Pump Beating Heart”. Bangladesh Medical Research Council Bulletin, vol. 35, no. 3, Feb. 2010, pp. 113-6, doi:10.3329/bmrcb.v35i3.4083.