Mahdi Ghorbani, Hadi Grailu. 2024. “Diagnosis of Valvular Heart Regurgitation Using Auscultation of Heart Sounds (Pcg) Based on Deep Learning ”. The International Journal of Multiphysics 18 (4):736 -45. https://themultiphysicsjournal.com/index.php/ijm/article/view/1616.