Bonchek, L I Can the durability of mitral valve reconstruction be increased? [electronic resource] - The Journal of thoracic and cardiovascular surgery Mar 1989 - 477 p. digital Publication Type: Letter ISSN: 0022-5223 Subjects--Topical Terms: Adrenergic beta-Antagonists--therapeutic useBioprosthesisHeart Valve ProsthesisHumansMitral Valve--surgeryProsthesis Failure