TY - JOUR A1 - de La Rochebrochard, E. A1 - Joshi, H. T1 - Children born after unplanned pregnancies and cognitive development at 3 years: Social differentials in the United Kingdom Millennium Cohort Y1 - 2013 DO - 10.1093/aje/kwt063 VL - 178 IS - 6 ER -