TY - JOUR AU - Richmond, S; Atkins, J TI - A population-based study of the prenatal diagnosis of congenital malformation over 16 years JO - BJOG IS - 10 VL - 112 PY - 2005 DO - 10.1111/j.1471-0528.2005.00660.x L3 - PubMed-ID: 16167937 SP - 1349 EP - 1357 ER -