RT Journal Article SR Electronic T1 Body mass index (BMI) and weight loss in patients with congenital heart disease JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1229 OP 1230 DO 10.1136/heartjnl-2017-311219 VO 103 IS 16 A1 Andrew Felix Burden YR 2017 UL http://heart.bmj.com/content/103/16/1229.abstract AB