1. Childbearing patterns among selected racial/ethnic minority groups—United States, 1990;MMWR,1993
2. Adolescent reproductive behavior;Forrest,1990
3. Adolescents at risk for HIV infection;Hein,1992
4. Epidemiology of human immunodeficiency virus in adolescents, United States;Lindegren;Pediatr Infect Dis J,1994
5. Unwanted pregnancies;Byrne;Appl Prev Psychol,1993