Cruz-Gonzalez, Ignacio Percutaneous Paravalvular Leak Closure in "Invisible" Mitral Valve Bioprosthesis Without Radio-Opaque Indicators. [electronic resource] - The Canadian journal of cardiology Sep 2015 - 1205.e7-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 1916-7075 Standard No.: 10.1016/j.cjca.2015.04.001 doi Subjects--Topical Terms: AgedBioprosthesisEchocardiography, TransesophagealHeart Valve ProsthesisHumansMaleMitral ValveMitral Valve Insufficiency--diagnostic imagingProsthesis Implantation--methodsSeptal Occluder Device