RT Journal Article SR Electronic T1 ‘Cor triatriatum’, or divided left atrium JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 242 OP 242 DO 10.1136/heartjnl-2019-315812 VO 106 IS 3 A1 Anderson, Robert H YR 2020 UL http://heart.bmj.com/content/106/3/242.1.abstract AB