Fatema, N., S. Rahman, M. Karim, and M. Haque. “Double Intervention in Single Sitting in a Girl With Atrial Septal Defect and Patent Ductus Arteriosus: A Case Report”. Journal of Bangladesh College of Physicians and Surgeons, vol. 24, no. 1, June 2007, pp. 34-37, doi:10.3329/jbcps.v24i1.144.