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Comparison of self-reported substance use with biological testing among treatment-seeking patients with opioid use disorder

Opioid EpidemicSubstance AbuseSubstance UsePsychiatryAddiction TreatmentAddictionTreatment-seeking PatientsPsychologySelf-reported Substance UseAddiction MedicineMental HealthDrug TreatmentMedicineSubstance Use DisordersPsychopathologyOpioid Use DisorderHealth Sciences