TY  - CHAP
A1  - Fretts, R.C.
A1  - Zera, C.
A1  - Heffner, L.J.
T1  - Maternal age and pregnancy
Y1  - 2008
DO  - 10.1016/B978-012370877-9.00097-9
A3  - Haith, M.M.
A3  - Benson, J.B.
T2  - Encyclopedia of infant and early childhood development
CY  - Amsterdam
PB  - Elsevier, Academic Press

ER  -