TY - JOUR A1 - Mathews, P. A1 - Sear, R. T1 - Family and Fertility: Kin Influence on the Progression to a Second Birth in the British Household Panel Study Y1 - 2013b DO - 10.1371/journal.pone.0056941 JF - PLoS ONE VL - 8 IS - 3 ER -