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Non-Injection and Injection Drug Use and STI/HIV Risk in the United States: The Degree to which Sexual Risk Behaviors Versus Sex with an STI-Infected Partner Account for Infection Transmission among Drug Users

Substance AbuseSexual HealthSubstance UseCommercial SexTreatment And PreventionAddictionSocial SciencesDrug UsersPublic HealthSexual BehaviorUnited StatesEpidemiologyInjection Drug Use