Journal of Adolescent Health
Journal of Adolescent Health > 2001 > 29 > 4 > 298-306
Journal of Adolescent Health > 2001 > 29 > 5 > 337-343
Journal of Adolescent Health > 2001 > 29 > 4 > 298-306
Journal of Adolescent Health > 2001 > 29 > 5 > 337-343