TY  - BOOK
AU  - Haaga,John,d1953-
ED  - Rockefeller Foundation
ED  - Rand Corporation
TI  - Mechanisms for the association of maternal age, parity, and birth       spacing with infant health
T2  - A Rand note ;vN-2991-RF
PY  - 1991///
CY  - California
PB  - Rand Corporation
ER  -