RT Journal Article SR Electronic T1 Correction: Aortic valve replacement associated with survival in severe regurgitation and low ejection fraction JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP e2 OP e2 DO 10.1136/heartjnl-2017-312024corr1 VO 104 IS 16 YR 2018 UL http://heart.bmj.com/content/104/16/e2.2.abstract AB