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High-risk behaviors associated with transition from illicit non-injection to injection drug use among adolescent and young adult drug users: a case-control study

Substance AbuseSubstance UseAddictionAdolescent Behavioral HealthEducationAddiction MedicineHigh-risk BehaviorsAdolescent DevelopmentDrug UsePublic HealthSubstance AddictionDrug AssessmentIllicit Non-injectionEpidemiology