TY  - JOUR
A1  - Sweeney, M.M.
T1  - The reproductive context of cohabitation in the United States: Recent change and variation in contraceptive use
Y1  - 2010
DO  - 10.1111/j.1741-3737.2010.00756.x
JF  - Journal of Marriage and Family 
VL  - 72

ER  -