1. Office of National AIDS Policy. Youth & HIV/AIDS: An American Agenda: A Report to the President. Washington DC: National AIDS Fund, 1996.
2. Center for Disease Control and Prevention. Selected behaviors that increase risk for HIV infection among high school students—United States, 1990. MMWR 1992;41:231–40.
3. Epidemiology of human immunodeficiency virus infection in adolescents, United States;Lindegren;Pediatr Infect Dis J,1994
4. Center for Disease Control and Prevention. HIV/AIDS Surveillance Report. Atlanta: Center for Disease Control, 1998.
5. HIV prevalence and sexual behavior in a cohort of New York City gay men;Dean;J Acquir Immune Defic Syndr Hum Retrovirol,1995