Journal of Adolescent Health
Journal of Adolescent Health > 2011 > 48 > 4 > 404-409
Journal of Adolescent Health > 2011 > 49 > 1 > 53-57
Journal of Adolescent Health > 2011 > 49 > 4 > 428-430
Journal of Adolescent Health > 2011 > 49 > 5 > 518-524