Drugs, GenericBreakthrough PainHospital-Physician Joint VenturesHospital Bed Capacity, 500 and overDosage FormsAdministration, BuccalInsurance, Pharmaceutical ServicesAnalgesics, OpioidFentanylPainLabor PainPain MeasurementAnalgesicsPain ManagementChronic PainAnalgesia, EpiduralPain, PostoperativeMedication ErrorsMedication AdherencePain, IntractableDouble-Blind MethodPrescription Drug MisuseChronic DiseaseNeoplasmsTreatment OutcomeArthralgiaMedication SystemsMedication ReconciliationMedication Systems, HospitalNeuralgiaPalliative CareQuestionnairesProspective StudiesAnti-Inflammatory Agents, Non-SteroidalRetrospective StudiesTime FactorsPain ThresholdSeverity of Illness IndexFollow-Up StudiesRadionuclide GeneratorsPatient SatisfactionQuality of LifeLow Back PainBack PainComorbidityCohort StudiesPrescription DrugsSelf MedicationDrug PrescriptionsAbdominal PainPatient ComplianceNeck PainPolypharmacyDrug TherapyPsychotropic Drugs