Journal of Adolescent Health
Journal of Adolescent Health > 2008 > 42 > 2 > 161-169
Journal of Adolescent Health > 2008 > 42 > 3 > 275-283
Journal of Adolescent Health > 2008 > 42 > 6 > 564-572
Journal of Adolescent Health > 2008 > 42 > 6 > 555-563