Drug and Narcotic ControlNarcoticsNalorphineLevorphanolMeperidineLevallorphanNarcotic AntagonistsPentazocineAnalgesics, OpioidMorphineOpiumAlphaprodineCyclazocineMorphinansLegislation, DrugDextropropoxypheneOpioid-Related DisordersFentanylMethadoneOxymorphoneAnalgesicsCodeineHeroinPain, PostoperativePreanesthetic MedicationHydrocodoneSpasmInert Gas NarcosisSubstance-Related DisordersAlcoholics AnonymousOxycodoneMitragynaIsonipecotic AcidsDibenzocycloheptenesMethotrimeprazineMorphine DependenceHydromorphonePainKetonesParamethasoneBridged CompoundsAnalgesiaPapaverPain, IntractableMethadyl AcetatePharmacyNeonatal Abstinence SyndromeDrug ToleranceAnesthesiaAlfentanilPerphenazine