RT Journal Article SR Electronic T1 Preoperative chest radiograph JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1224 OP 1246 DO 10.1136/heartjnl-2022-320973 VO 108 IS 15 A1 Salehi, Mahan A1 Rea, Benjamin YR 2022 UL http://heart.bmj.com/content/108/15/1224.abstract AB