A. Sarkar, N. Rani, P. Kumar, S. S. Chaudhary, and S. Chatterjee, “Transcatheter closure of patent ductus arteriosus using duct occluder: an eleven-year experience from a single tertiary cardiac center”, Int J Res Med Sci, vol. 7, no. 8, pp. 2894–2898, Jul. 2019.