Treatment OutcomeTime FactorsRetrospective StudiesFollow-Up StudiesSubstance Abuse Treatment CentersSubstance-Related DisordersSubstance Abuse, IntravenousDrug Therapy, CombinationAntipsychotic AgentsDrug UsersHeroin DependenceDrug TherapyAnticonvulsantsAntihypertensive AgentsCriminal LawAntineoplastic AgentsDrug ResistanceDose-Response Relationship, DrugMethadoneCell Line, TumorOpiate Substitution TreatmentDisease Models, AnimalAntidepressive AgentsPropylaminesRecurrenceMethylphenidateCentral Nervous System StimulantsRisk FactorsHypertensionRats, Sprague-DawleyClozapineCarbimazoleLaw EnforcementEpilepsyMethadyl AcetateApoptosisTherapeutic CommunityPsychotropic DrugsNarcoticsPrisonsHeroinAntimalarialsMethamphetamineCell SurvivalProspective StudiesHypolipidemic AgentsHIV InfectionsMice, Inbred C57BLMandatory ProgramsAntithyroid AgentsOpioid-Related DisordersSignal TransductionCriminalsRandomized Controlled Trials as TopicBuprenorphineCell LineDrug SynergismSchizophreniaCells, CulturedAge FactorsDrug Evaluation, PreclinicalPharmacogeneticsNeedle-Exchange ProgramsRNA, MessengerPatient ComplianceMolecular Sequence DataModels, BiologicalMutationHaloperidolAdrenergic Uptake InhibitorsDrug PrescriptionsDrug and Narcotic ControlDoxorubicinAmphetamine-Related DisordersBlood PressureAnti-Inflammatory Agents, Non-SteroidalBrainUnited StatesTrichloroepoxypropanePlasmodium chabaudiStreet DrugsAntidepressive Agents, TricyclicDrug Resistance, NeoplasmAdrenergic beta-AntagonistsCell CycleHIV SeroprevalenceTumor Cells, CulturedCohort StudiesNeedle SharingDrug InteractionsHarm ReductionDouble-Blind MethodPrevalenceAnalysis of VarianceAlbendazoleQuestionnairesAmphetamineClinical Trials as TopicSulfasalazineAnthelmintics