Al-Atta, Ayman, Habib Khan, and Michael Sosin. 2019. “ACCESSORY MITRAL VALVE TISSUE CAUSING FEATURES OF LEFT VENTRICULAR OUTFLOW TRACT OBSTRUCTION-A CASE REPORT AND UPDATED LITERATURE REVIEW”. Journal of Ayub Medical College Abbottabad 31 (2):276-78. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4450.