搜索结果: 1-2 共查到“计划生育学 15”相关记录2条 . 查询时间(0.924 秒)
Pregnancy Prevention Among Urban Adolescents Younger than 15：Results of the‘In Your Face’Program
Pregnancy Prevention 15 Urban Adolescents
2009/9/14
Data from a pregnancy prevention program operating through school-based clinics in four New York City junior high schools suggest that an intensive risk-identification and case-management approach may...