TY  - JOUR
A1  - Bongaarts, J.
A1  - Blanc, A.K.
T1  - Estimating the current mean age of mothers at the birth of their first child from household surveys
Y1  - 2015
DO  - 10.1186/s12963-015-0058-9
VL  - 13
IS  - 25

ER  -