BuprenorphineOpioid-Related DisordersNarcotic AntagonistsOpiate Substitution TreatmentNarcoticsAnalgesics, OpioidAdministration, SublingualMedication AdherenceNaloxoneMethadoneMedication ErrorsMorphinansHeroin DependenceNeonatal Abstinence SyndromeMethadyl AcetateMedication ReconciliationMedication SystemsNaltrexoneMedication Systems, HospitalSubstance Withdrawal SyndromeHeroinReceptors, OpioidReceptors, Opioid, muPrescription DrugsAnalgesicsDrug PrescriptionsMorphineTreatment OutcomeSubstance Abuse DetectionOpiate AlkaloidsPatient ComplianceLevorphanolPrescription Drug MisuseDose-Response Relationship, DrugThiazinesDrug InteractionsDouble-Blind MethodPrescription Drug DiversionSelf MedicationNalbuphineSubstance Abuse Treatment CentersDrug CombinationsPain MeasurementPolypharmacyStreet DrugsDrug and Narcotic ControlHydromorphoneDrug TherapyAnalgesiaUnited StatesPsychotropic DrugsSubstance-Related DisordersCodeine