A.M. Lewis, R. Layzer, J.W. Engstrom, N.M. Barbaro i inni. Magnetic resonance neurography in extraspinal sciatica. „Arch Neurol”. 63 (10), s. 1469–1472, 10 2006. DOI: 10.1001/archneur.63.10.1469. PMID: 17030664.
Benoist M. The natural history of lumbar disc herniation and radiculopathy. „Joint Bone Spine”. 69 (2), s. 155–160, 2002. PMID: 12027305.
Hakelius A. Prognosis in sciatica. A clinical follow-up of surgical and non-surgical treatment. „Acta Orthop Scand Suppl”. 129, s. 1–76, 1970. PMID: 5269867.
Weber H. Lumbar disc herniation. A controlled, prospective study with ten years of observation. „Spine”. 8 (2), s. 131–140, 1983. PMID: 6857385.
Weber H., Holme I., Amlie E. The natural course of acute sciatica with nerve root symptoms in a double-blind placebo-controlled trial evaluating the effect of piroxicam. „Spine”. 18 (11), s. 1433–1438, 1993. PMID: 8235813.
Bush K., Cowan N., Katz D.E., Gishen P. The natural history of sciatica associated with disc pathology. A prospective study with clinical and independent radiologic follow-up. „Spine”. 17 (10), s. 1205–1212, 1992. PMID: 1440010.
Jonsson B., Stromqvist B.. The straight leg raising test and the severity of symptoms in lumbar disc herniation. A preoperative evaluation. „Spine (Phila Pa 1976)”. 20 (1), s. 27–30, 1995. PMID: 7709276.