1. Premarital sexual experience among adolescent women—United States, 1970–1988;Centers for Disease Control;MMWR,1991
2. Levels of sexual activity among adolescent males in the United States;Sonenstein;Fam Plann Perspect,1991
3. Unintended pregnancy, contraceptive practice and family planning services in developed countries;Jones;Fam Plann Perspect,1988
4. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing,1987
5. Teenage Pregnancy and Too-Early Childbearing: Public Costs, Personal Consequences;Stone,1989