Journal of Adolescent Health
Journal of Adolescent Health > 1997 > 21 > 5 > 291-302
Journal of Adolescent Health > 2000 > 27 > 6 > 434-442
Journal of Adolescent Health > 1997 > 21 > 5 > 291-302
Journal of Adolescent Health > 2000 > 27 > 6 > 434-442