RT Journal Article SR Electronic T1 COMMENTARY 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 F93 OP F94 DO 10.1136/fn.87.2.F93 VO 87 IS 2 A1 Evans, N YR 2002 UL http://fn.bmj.com/content/87/2/F93.abstract AB