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The Transition of Adolescent Males To First Sexual Intercourse：Anticipated or Delayed?
Adolescent Males sexual activity broadens First Sexual Intercourse
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2009/9/17
CONTEXT: Recognition of the different social, psychological and behavioral contexts within which adolescents initiate sexual activity broadens the understanding of teenage sexual behavior beyond the t...
Adolescent Sexual Behavior：Estimates and Trends From Four Nationally Representative Surveys
Adolescent Sexual Behavior Four Nationally Representative Surveys
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2009/9/15
Context: Accurate information about trends over time in adolescent sexual behavior is essential to understand changes in adolescent pregnancy and sexually transmitted diseases and to monitor the progr...