RT Journal Article SR Electronic T1 Management of valve dysfunction in patients with mitral annular calcification JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1639 OP 1646 DO 10.1136/heartjnl-2022-321572 VO 109 IS 21 A1 Demal, Till Joscha A1 Conradi, Lenard YR 2023 UL http://heart.bmj.com/content/109/21/1639.abstract AB