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2. Disparities in rates of unintended pregnancy in the United States, 1994 and 2001;Finer;Perspect Sex Reprod Health,2006
3. Births: final data for 2004;Martin;Natl Vital Stat Rep,2006
4. Recent Trends in Teenage Pregnancy in the United States, 1990–2002;Ventura,2006
5. Tracking Healthy People 2010,2000