1. Aspy, C. B., Vesely, S. K., Oman, R. F., Rodine, S., Marshall, L., Fluhr, J., & McLeroy, K. (2006). Youth-parent communication and youth sexual behavior: Implications for physicians. Family Medicine, 38(7), 500–504.
2. Basen-Engquist, K., & Parcel, F. (1992). Attitudes, norms and self-efficacy: A model of adolescents’ HIV-related sexual risk behavior. Health Education, 19(2), 263–277.
3. Boyer, C. B., Shafer, M. A., Wibbelsman, C. J., Seeberg, D., Teitle, E., & Lovell, N. (2000). Associations of sociodemographic, psychosocial, and behavioral factors with sexual risk and sexually transmitted diseases in teen clinic patients. Journal of Adolescent Health, 27, 102–111.
4. Centers for Diseases Control, Prevention. (2000). Youth risk behavior surveillance—United States, 1999. MMWR, 49(SS05), 1–96.
5. Centers for Disease Control and Prevention (CDC). (2002). Advancing HIV demonstration project awardees. www.cdc.gov/hiv/partners . Retrieved 13 Oct 2006.