Repair of Mitral Valves with Severe Annular Dilatation and Abundant Leaflet Tissue Using a Prosthetic Ring with a Large Anterior-Posterior Diameter. - Sideris, Konstantinos; Burri, Melchior; Bordne, Joanna; Vitanova, Keti; Voss, Bernhard; Krane, Markus; Lange, Rüdiger (Journal of Clinical Medicine, 2022)