TY - GEN AU - Lijoi,A AU - Parodi,E AU - Passerone,G C TI - An old Delrin tilting disc: eroded but strong SN - 0730-2347 PY - 2002///0201 KW - Aged KW - Heart Valve Prosthesis KW - Humans KW - Male KW - Mitral Valve KW - Mitral Valve Insufficiency KW - surgery KW - Mitral Valve Stenosis KW - Resins, Synthetic N1 - Publication Type: Case Reports; Journal Article ER -