1. A health profile of adolescent and young adult males,2005
2. Youth risk behavior surveillance—United States, 2005;Eaton;MMWR Surveill Summ,2006
3. Adolescents with special health needs: prevalence, severity, and access to health services;Newacheck;Pediatrics,1989
4. Growth at Adolescence;Tanner,1962
5. Genital size: a common adolescent male concern;Lee;Adolesc Med State Art Rev,2002