TY - JOUR AU - S Kennedy BT - Archives of Disease in Childhood: Fetal and Neonatal Edition PY - 2019 SP - F486 EP - F492 T2 - Archives of Disease in Childhood: Fetal and Neonatal Edition TI - Social gradient of birthweight in England assessed using the INTERGROWTH-21 st gestational age-specific standard VL - 104 ER -