1. Vibert BT, Sliva CD, Herkowitz HN. Treatment of instability and spondylolisthesis: surgical versus nonsurgical treatment. Clin Orthop Relat Res 2006;443:222–227. PMID:
16462445.
2. Lutz GE, Vad VB, Wisneski RJ. Fluoroscopic transforaminal lumbar epidural steroids: an outcome study. Arch Phys Med Rehabil 1998;79:1362–1366. PMID:
9821894.
3. Weinstein SM, Herring SA, Derby R. Contemporary concepts in spine care. Epidural steroid injections. Spine (Phila Pa 1976) 1995;20:1842–1846. PMID:
7502144.
4. Stewart HD, Quinnell RC, Dann N. Epidurography in the management of sciatica. Br J Rheumatol 1987;26:424–429. PMID:
3690135.
5. Abdi S, Datta S, Lucas LF. Role of epidural steroids in the management of chronic spinal pain: a systematic review of effectiveness and complications. Pain Physician 2005;8:127–143. PMID:
16850050.
6. Boswell MV, Trescot AM, Datta S, et al. Interventional techniques: evidence-based practice guidelines in the management of chronic spinal pain. Pain Physician 2007;10:7–111. PMID:
17256025.
7. Lee JW, Myung JS, Park KW, et al. Fluoroscopically guided caudal epidural steroid injection for management of degenerative lumbar spinal stenosis: short-term and long-term results. Skeletal Radiol 2010;39:691–699. PMID:
20033148.
8. Botwin KP, Gruber RD, Bouchlas CG, et al. Fluoroscopically guided lumbar transformational epidural steroid injections in degenerative lumbar stenosis: an outcome study. Am J Phys Med Rehabil 2002;81:898–905. PMID:
12447088.
9. Jeong HS, Lee JW, Kim SH, Myung JS, Kim JH, Kang HS. Effectiveness of transforaminal epidural steroid injection by using a preganglionic approach: a prospective randomized controlled study. Radiology 2007;245:584–590. PMID:
17940309.
10. Sengupta DK, Herkowitz HN. Degenerative spondylolisthesis: review of current trends and controversies. Spine (Phila Pa 1976) 2005;30(6 Suppl): S71–S81. PMID:
15767890.
11. Kalichman L, Hunter DJ. Diagnosis and conservative management of degenerative lumbar spondylolisthesis. Eur Spine J 2008;17:327–335. PMID:
18026865.
12. DePalma MJ, Slipman CW. Evidence-informed management of chronic low back pain with epidural steroid injections. Spine J 2008;8:45–55. PMID:
18164453.
13. Southern D, Lutz GE, Cooper G, Barre L. Are fluoroscopic caudal epidural steroid injections effective for managing chronic low back pain? Pain Physician 2003;6:167–172. PMID:
16883376.
14. Buttermann GR. The effect of spinal steroid injections for degenerative disc disease. Spine J 2004;4:495–505. PMID:
15363419.
15. Manchikanti L, Cash KA, McManus CD, Pampati V, Abdi S. Preliminary results of a randomized, equivalence trial of fluoroscopic caudal epidural injections in managing chronic low back pain: Part 4--Spinal stenosis. Pain Physician 2008;11:833–848. PMID:
19057629.
16. Botwin K, Brown LA, Fishman M, Rao S. Fluoroscopically guided caudal epidural steroid injections in degenerative lumbar spine stenosis. Pain Physician 2007;10:547–558. PMID:
17660853.
17. Barre L, Lutz GE, Southern D, Cooper G. Fluoroscopically guided caudal epidural steroid injections for lumbar spinal stenosis: a restrospective evaluation of long term efficacy. Pain Physician 2004;7:187–193. PMID:
16868591.
18. Delport EG, Cucuzzella AR, Marley JK, Pruitt CM, Fisher JR. Treatment of lumbar spinal stenosis with epidural steroid injections: a retrospective outcome study. Arch Phys Med Rehabil 2004;85:479–484. PMID:
15031837.
19. Ciocon JO, Galindo-Ciocon D, Amaranath L, Galindo D. Caudal epidural blocks for elderly patients with lumbar canal stenosis. J Am Geriatr Soc 1994;42:593–596. PMID:
8201143.
20. Cooper G, Lutz GE, Boachie-Adjei O, Lin J. Effectiveness of transforaminal epidural steroid injections in patients with degenerative lumbar scoliotic stenosis and radiculopathy. Pain Physician 2004;7:311–317. PMID:
16858467.
21. Schaufele MK, Hatch L, Jones W. Interlaminar versus transforaminal epidural injections for the treatment of symptomatic lumbar intervertebral disc herniations. Pain Physician 2006;9:361–366. PMID:
17066121.
22. Smith CC, Booker T, Schaufele MK, Weiss P. Interlaminar versus transforaminal epidural steroid injections for the treatment of symptomatic lumbar spinal stenosis. Pain Med 2010;11:1511–1515. PMID:
20735751.
23. Abdi S, Datta S, Trescot AM, et al. Epidural steroids in the management of chronic spinal pain: a systematic review. Pain Physician 2007;10:185–212. PMID:
17256030.
24. Olmarker K, Byrod G, Cornefjord M, Nordborg C, Rydevik B. Effects of methylprednisolone on nucleus pulposus-induced nerve root injury. Spine (Phila Pa 1976) 1994;19:1803–1808. PMID:
7973978.
25. Johansson A, Hao J, Sjolund B. Local corticosteroid application blocks transmission in normal nociceptive C-fibres. Acta Anaesthesiol Scand 1990;34:335–338. PMID:
2167604.
26. Olmarker K, Rydevik B. Single-versus double-level nerve root compression. An experimental study on the porcine cauda equina with analyses of nerve impulse conduction properties. Clin Orthop Relat Res 1992;(279): 35–39. PMID:
1600672.
27. Takahashi K, Olmarker K, Holm S, Porter RW, Rydevik B. Double-level cauda equina compression: an experimental study with continuous monitoring of intraneural blood flow in the porcine cauda equina. J Orthop Res 1993;11:104–109. PMID:
8423512.