TY - JOUR A1 - Flower, A. A1 - Shawe, J. A1 - Stephenson, J. A1 - Doyle, P. T1 - Pregnancy planning, smoking behaviour during pregnancy, and neonatal outcome: UK millennium cohort study Y1 - 2013 DO - 10.1186/1471-2393-13-238 VL - 13 IS - 1 ER -