RT Journal Article SR Electronic T1 Correction JF Archives of Disease in Childhood - Fetal and Neonatal Edition JO Arch Dis Child Fetal Neonatal Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP F180 OP F180 DO 10.1136/adc.2010.209700 VO 98 IS 2 YR 2013 UL http://fn.bmj.com/content/98/2/F180.2.abstract AB