TY  - JOUR
A1  - Barbieri, M.
A1  - Hertrich, V.
A1  - Grieve, M.
T1  - Age difference between spouses and contraceptive practice in sub-Saharan Africa
Y1  - 2005
DO  - 10.2307/4148187
VL  - 60
IS  - 5–6

ER  -