RT Journal Article SR Electronic T1 The benefits and risks of risk-adjustment in paediatric cardiac surgery JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 528 OP 529 DO 10.1136/heartjnl-2013-304848 VO 100 IS 7 A1 Pagel, Christina A1 Crowe, Sonya A1 Brown, Katherine A1 Utley, Martin YR 2014 UL http://heart.bmj.com/content/100/7/528.abstract AB