TY - GEN AU - Bonchek,L I TI - Can the durability of mitral valve reconstruction be increased? SN - 0022-5223 PY - 1989///0404 KW - Adrenergic beta-Antagonists KW - therapeutic use KW - Bioprosthesis KW - Heart Valve Prosthesis KW - Humans KW - Mitral Valve KW - surgery KW - Prosthesis Failure N1 - Publication Type: Letter ER -