RT Journal Article SR Electronic T1 Patients with Down syndrome and congenital heart disease: survival is improving, but challenges remain JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1515 OP 1517 DO 10.1136/heartjnl-2016-309835 VO 102 IS 19 A1 Dimopoulos, Konstantinos A1 Kempny, Aleksander YR 2016 UL http://heart.bmj.com/content/102/19/1515.abstract AB