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Study Protocol- Lumbar Epidural Steroid Injections for Spinal Stenosis (LESS): a double-blind randomized controlled trial of epidural steroid injections for lumbar spinal stenosis among older adults

Janna L Friedly*, Brian W Bresnahan, Bryan Comstock, Judith A Turner, Richard A Deyo, Sean D Sullivan, Patrick Heagerty, Zoya Bauer, Srdjan S Nedeljkovic, Andrew L Avins, David Nerenz and Jeffrey G Jarvik

  • * Corresponding author: Janna L Friedly

  • † Equal contributors

BMC Musculoskeletal Disorders 2012, 13:48  doi:10.1186/1471-2474-13-48