共 20 条
[11]
TEENAGE PREGNANCY IN DEVELOPED-COUNTRIES - DETERMINANTS AND POLICY IMPLICATIONS
[J].
FAMILY PLANNING PERSPECTIVES,
1985, 17 (02)
:53-63
[13]
*NAT CTR HLTH STAT, 1984, HLTH
[14]
*NAT CTR HLTH STAT, 1978, MONTHL VIT STAT RE 6, V29
[15]
*NAT I DRUG AB, 1986, DHHS ADM861450 PUBL
[16]
PARCEL GS, 1977, PEDIATRICS, V60, P157
[17]
*RI DEP SOC REH SE, 1984, AD PREGN PROJ REQ PR
[18]
*US DEP HLTH, 1985, PHS851283 PUBL
[20]
SEXUAL-ACTIVITY, CONTRACEPTIVE USE AND PREGNANCY AMONG METROPOLITAN-AREA TEENAGERS - 1971-1979
[J].
FAMILY PLANNING PERSPECTIVES,
1980, 12 (05)
:230-&