RT Journal Article SR Electronic T1 Perinatal with allergy, immunity, and infection JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP A32 OP A33 VO 89 IS suppl 1 YR 2004 UL http://adc.bmj.com/content/89/suppl_1/A32.abstract AB