RT Journal Article SR Electronic T1 Erratum JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 783 OP 783 DO 10.1136/adc.53.10.783 VO 53 IS 10 YR 1978 UL http://adc.bmj.com/content/53/10/783.abstract AB