1. Trends in pregnancy rates for the United States, 1976–1997;Ventura;Nat Vital Stat Rep,2001
2. Centers for Disease Control and Prevention: Program options: teen pregnancy prevention recommendations;Dalmat,1995
3. Guidelines for Centers for Disease Control and Prevention, Announcement No. 560, community coalition partnership programs for the prevention of teen pregnancy,1995
4. Changes in the capacity of the community;Seidman,1995