TI - An Overlooked Etiology of High-Gradient Aortic Prosthetic Valve: Subaortic Membrane AU - Babur Güler, G. AU - Sancar, K.M. AU - Topel, Ç. AU - Timur, B. AU - Köksal, C. SO - The Anatolian Journal of Cardiology 2022;26:791-793. DO - 10.5152/AnatolJCardiol.2022.1981