Journal of Adolescent Health
Journal of Adolescent Health > 1996 > 18 > 4 > 247-253
Journal of Adolescent Health > 1997 > 20 > 5 > 396-402
Journal of Adolescent Health > 1996 > 18 > 4 > 247-253
Journal of Adolescent Health > 1997 > 20 > 5 > 396-402