RT Journal Article SR Electronic T1 Recognising heart disease in children with Down syndrome JF Archives of disease in childhood - Education & practice edition JO Arch Dis Child Educ Pract Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 98 OP 104 DO 10.1136/adc.2007.126672 VO 95 IS 4 A1 J Dennis A1 N Archer A1 J Ellis A1 L Marder YR 2010 UL http://ep.bmj.com/content/95/4/98.abstract AB