TY - GEN AU - Pounder,D J TI - Circular mitral annulus calcification SN - 0007-1285 PY - 1982///0621 KW - Aged KW - Calcinosis KW - diagnostic imaging KW - Female KW - Heart Valve Diseases KW - Humans KW - Mitral Valve KW - Radiography N1 - Publication Type: Case Reports; Letter UR - https://doi.org/10.1259/0007-1285-55-651-250-b ER -