Journal of Adolescent Health
Journal of Adolescent Health > 1999 > 25 > 2 > 120-130
Journal of Adolescent Health > 2001 > 28 > 6 > 491-496
Journal of Adolescent Health > 1999 > 25 > 2 > 120-130
Journal of Adolescent Health > 2001 > 28 > 6 > 491-496