TY - JOUR A1 - Sweeney, M. A1 - Castro-Martín, T. A1 - Mills, M. T1 - The reproductive context of cohabitation in comparative perspective: Contraceptive use in United States, Spain, and France Y1 - 2015 DO - 10.4054/DemRes.2015.32.5 VL - 32 IS - 5 ER -