共 34 条
[22]
PRESSER HB, 1976, SOCIAL CONSEQUENCES, P25
[23]
RYAN G M JR, 1978, Clinical Obstetrics and Gynecology, V21, P1191
[24]
UNPROTECTED INTERCOURSE AMONG UNWED TEENAGERS
[J].
FAMILY PLANNING PERSPECTIVES,
1975, 7 (01)
:39-44
[25]
SORENSEN R, 1973, ADOLESCENT SEXUALITY, P53
[26]
ECONOMIC CONSEQUENCES OF TEENAGE CHILDBEARING
[J].
FAMILY PLANNING PERSPECTIVES,
1976, 8 (04)
:184-190
[27]
TYRER L B, 1978, Clinical Obstetrics and Gynecology, V21, P1135
[30]
1ST PREGNANCIES TO WOMEN AGED 15-19 - 1976 AND 1971
[J].
FAMILY PLANNING PERSPECTIVES,
1978, 10 (01)
:11-20