Montes, Alvaro, Alberto Cecconi, Albert Teis, Juan Lacalzada-Almeida, Beatriz Lopez Melgar, Paloma Caballero, Susana Hernandez Muniz, et al. “Total Regurgitant Fraction to Predict Aortic Valve Surgery in Patients With Concomitant Aortic and Mitral Regurgitation”. Cardiology Research 16, no. 6 (December 20, 2025): 525–532. Accessed December 21, 2025. https://cr.elmerpub.com/index.php/cr/article/view/2068.