RT Journal Article SR Electronic T1 Dummies JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 1081 OP 1082 DO 10.1136/adc.2004.049627 VO 89 IS 12 A1 F A Bu’Lock YR 2004 UL http://adc.bmj.com/content/89/12/1081.1.abstract AB