Journal of Adolescent Health
Journal of Adolescent Health > 1995 > 16 > 6 > 448-453
Journal of Adolescent Health > 1998 > 22 > 3 > 239-243
Journal of Adolescent Health > 1995 > 16 > 6 > 448-453
Journal of Adolescent Health > 1998 > 22 > 3 > 239-243