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Bersamin, Melina M., Deborah A. Fisher, Samantha Walker, Douglas L. Hill, and Joel W. Grube. Defining Virginity and Abstinence: Adolescents’ Interpretations of Sexual Behaviors. 2007.

Bersamin, Melina M., et al. Defining Virginity and Abstinence: Adolescents’ Interpretations of Sexual Behaviors. 2007.