共 21 条
- [4] DIXON WJ, 1983, BMDP STATISTICAL SOF
- [6] PREMARITAL SEXUAL-ACTIVITY AMONG UNITED-STATES TEENAGE WOMEN OVER THE PAST 3 DECADES [J]. FAMILY PLANNING PERSPECTIVES, 1987, 19 (02): : 46 - 53
- [7] NEED FOR FAMILY-PLANNING-SERVICES AMONG ANGLO AND HISPANIC WOMEN IN UNITED-STATES COUNTIES BORDERING MEXICO [J]. FAMILY PLANNING PERSPECTIVES, 1982, 14 (03): : 155 - 159
- [8] JONES EF, 1986, TEENAGE PREGNANCY IN
- [10] SEXUAL EXPERIENCE OF YOUNG UNMARRIED WOMEN IN UNITED-STATES [J]. FAMILY PLANNING PERSPECTIVES, 1972, 4 (04): : 9 - 18