TY - GEN AU - Antretter,H AU - Cottogni,M AU - Mueller,L C AU - Mair,P AU - Furtwaengler,W AU - Moes,N TI - Medtronic intact bioprosthesis in aortic position: unexplainable immediate degeneration SN - 0022-5223 PY - 1994///0104 KW - Aged KW - Aortic Valve KW - surgery KW - Bioprosthesis KW - Female KW - Heart Valve Prosthesis KW - Humans KW - Prosthesis Failure KW - Time Factors N1 - Publication Type: Case Reports; Letter ER -