Stanley, D A prospective study of diagnostic epidural blockade in the assessment of chronic back and leg pain. [electronic resource] - Journal of spinal disorders Jun 1993 - 208-11 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0895-0385 Standard No.: 10.1097/00002517-199306030-00004 doi Subjects--Topical Terms: AdultAgedAnesthesia, EpiduralBack Pain--diagnosisDiagnosis, DifferentialFemaleHumansLegLidocaine--administration & dosageMaleMiddle AgedNerve BlockPain--diagnosisPain MeasurementPhysical ExaminationPlacebosProspective StudiesRadiographySciatica--diagnosisSomatoform Disorders--diagnosis