Intraoperative Transesophageal Echocardiography Quantification of Mitral Regurgitation by Regurgitation Volume and Fraction Using 2D and 3D Techniques. - Poduval D; Jose RL; Madathil T; Nagarjuna P; Kartha N; Varma P; Neema PK (Annals of cardiac anaesthesia, 2025)