Drug OverdoseOpioid-Related DisordersNaloxoneNarcotic AntagonistsAnalgesics, OpioidHeroin DependenceNarcoticsDextropropoxyphenePrescription DrugsPrescription Drug MisuseCoroners and Medical ExaminersReceptors, Opioid, muReceptors, OpioidAlprazolamStreet DrugsOxycodoneReceptors, Opioid, deltaCause of DeathReceptors, Opioid, kappaOpioid PeptidesCell DeathAcetaminophenSubstance-Related DisordersAnalgesics, Non-NarcoticCharcoalNaltrexonePoisoningHeroinDeathSuicide, AttemptedUnited StatesAntidotesMorphineEnkephalinsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Buprenorphine