OpiumPapaverMethadoneMorphineAlkaloidsHeroin DependenceTyrosine DecarboxylaseThebaineNarcoticsPeronosporaBerberine AlkaloidsBenzylisoquinolinesNoscapineMorphine DerivativesCoptisOpioid-Related DisordersBenzophenanthridinesAnalgesics, OpioidErgot AlkaloidsDopa DecarboxylaseOpiate Substitution TreatmentMorphine DependencePlants, MedicinalMorphinansCodeineEschscholziaIsoquinolinesIndole AlkaloidsThalictrumPyrrolizidine AlkaloidsVinca AlkaloidsBotrytisLatexBuprenorphineOxidoreductases, N-DemethylatingCinchona AlkaloidsNaloxoneHeroinMethadyl AcetateSubstance Abuse DetectionDrug TolerancePlant ProteinsReceptors, Opioid, muGenes, PlantSubstance Withdrawal SyndromeNeonatal Abstinence SyndromeNarcotic AntagonistsGene Expression Regulation, PlantAmaryllidaceae AlkaloidsDrug Overdose