共 47 条
[31]
*NAT CTR HLTH STAT, 2001, NATL VITAL STAT REPO, V49, P10
[33]
Teenage childbearing and long-term socioeconomic consequences: A case study in Sweden
[J].
FAMILY PLANNING PERSPECTIVES,
2001, 33 (02)
:70-74
[36]
Retherford Robert D., 1996, Genus, V52, P13
[37]
Smith JP, 2004, POPUL DEV REV, V30, P108
[38]
Smith KR, 2002, SOC BIOL, V49, P185
[40]
*STAT CORP, 2007, OV WHY US STAT