RT Journal Article SR Electronic T1 Lucina JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 956 OP 956 DO 10.1136/adc.2010.203745 VO 95 IS 11 YR 2010 UL http://adc.bmj.com/content/95/11/956.abstract AB