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Journal of Adolescent Health > 2011 > 49 > 4 > 363-370
Journal of Adolescent Health > 2009 > 45 > 3 Supplement > S45-S56
Journal of Adolescent Health > 2011 > 49 > 4 > 363-370
Journal of Adolescent Health > 2009 > 45 > 3 Supplement > S45-S56