Upadhyay, A. N.; Khati, A.; Tripathi, R.; 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 2025, 13, 3847-3849.