RT Journal Article SR Electronic T1 Corrections 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 F312 OP F312 DO 10.1136/adc.2009.180869 VO 97 IS 4 YR 2012 UL http://fn.bmj.com/content/97/4/F312.4.abstract AB