A. N. Upadhyay, A. Khati, R. Tripathi, and Saijeet, “Hemodynamic effect of transcatheter patent ductus arteriosus closure on gradient across stenotic aortic valve in a patient with co-existing bicuspid aortic valve, severe aortic stenosis and patent ductus arteriosus: a rare case report”, Int J Res Med Sci, vol. 13, no. 9, pp. 3847–3849, Aug. 2025.