1. Kerry S, Hilton S, Dundas D, Rink E, Oakeshott P. Radiography for low back pain: A randomized controlled trial and observational study in primary care. The British Journal of General Practice. 2002;52:469-474
2. Palmer WE. Spinal injections for pain. Management. Radiology. 2016;281(3):669-688
3. Jarvik J, Deyo R. Diagnostic evaluation of low back pain with emphasis on imaging. Annals of Internal Medicine. 2002;137:586-595
4. Ciricillo SF, Weinstein PR. Lumbar spinal stenosis. The Western Journal of Medicine. 1993;158:171-177
5. Amundsen T, Weber H, Lilleas F, et al. Lumbar spinal stenosis. Clinical and radiologic features. Spine. 1995;20:1178-1186