TY - JOUR A1 - Harknett, K. A1 - Knab, J. T1 - More Kin, Less Support: Multipartnered Fertility and Perceived Support Among Mothers Y1 - 2007 DO - 10.1111/j.1741-3737.2006.00356.x JF - Journal of Marriage and Family VL - 69 IS - 1 SP - 237 EP - -253 ER -