title: Biological versus Mechanical Heart Valve Prostheses. Has the Paradigm Shifted Definitively?
authors.affiliation: Center of Cardiothoracic Surgery, University Hospital and Faculty of Medicine, Coimbra, Portugal.
authors.forename: Manuel J
authors.initials: MJ
authors.lastname: Antunes
mesh_terms: D001021:Aortic Valve; D001705:Bioprosthesis; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D008943:Mitral Valve; D011474:Prosthesis Design