RT Journal Article SR Electronic T1 Fetal and Neonatal Neurology and Neurosurgery JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 511 OP 511 DO 10.1136/adc.64.4_Spec_No.511 VO 64 IS 4 Spec No A1 J G Bissenden YR 1989 UL http://adc.bmj.com/content/64/4_Spec_No/511.1.abstract AB