Explaining Recent Declines in Adolescent Pregnancy in the United States: The Contribution of Abstinence and Improved Contraceptive Use.
Santelli, John S. MD, MPH; Lindberg, Laura Duberstein PhD; Finer, Lawrence B. PhD; Singh, Susheela PhD
American Journal of Public Health.
NATIONAL HEALTH SURVEYS EXAMINING DISPARITIES. 97(1):150-156, January 2007.
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