References
- Agartz I, Saaf J, Wahlund L O, Wetterberg L. Magnetic resonance imaging at 0.02 T in clinical practice and research. Magn Reson Imaging 1987; 5(3)179–87
- Dupuis P R, Hing Yong K, Cassidy J D, Willis Kirkaldy W H. Radiologic diagnosis of degenerative lumbar spinal instability. Spine 1985; 10(3)262–76
- Farfan H F. The pathological anatomy of degenerative spondylolisthesis. A cadaver study. Spine 1980; 5(5)412–8
- Farfan H F, Gracovetsky S. The nature of instability. Spine 1984; 9(7)714–9
- Gibson M J, Buckley J, Mulholland R C, Worthington B S. The changes in the intervertebral disc after chemonucleolysis demonstrated by magnetic resonance imaging. J Bone Joint Surg (Br) 1986; 68(5)719–23
- Gibson M J, Szypryt E P, Buckley J H, Worthington B S, Mulholland R C. Magnetic resonance imaging of adolescent disc herniation. J Bone Joint Surg (Br) 1987; 69(5)699–703
- Jenkins J P, Hickey D S, Zhu X P, Machin M, Isherwood I. MR imaging of the intervertebral disc: a quantitative study. Br J Radiol 1985; 58(692)705–9
- Keessen W, During J, Beeker T W, Goudfrooij H, Crowe A. Recordings of the movement at the intervertebral segment L5-S1: a technique for the determination of the movement in the L5-S1 spinal segment by using three specified postural positions. Spine 1984; 9(1)83–90
- Knutsson F. The instability associated with disk degeneration in the lumbar spine. Acta Radiol 1944; 25: 593–609
- Lyons G, Eisenstein S M, Sweet M B. Biochemical changes in intervertebral disc degeneration. Biochim Biophys Acta 1981; 673(4)443–53
- Modic M T, Pavlicek W, Weinstein M A, Boumphrey F, Ngo F, Hardy R, Duchesneau P M. Magnetic resonance imaging of intervertebral disk disease. Clinical and pulse sequence considerations. Radiology 1984; 152(1)103–11
- Morgan F P, King T. Primary instability of lumbar vertebrae as an common cause of low back pain. J Bone Joint Surg (Br) 1957; 39: 6–22
- Pearcy M, Portek I, Shepherd J. Three dimensional x-ray analysis of normal movement in the lumbar spine. Spine 1984; 9(3)294–7
- Powell M C, Wilson M, Szypryt P, Symonds E M, Worthington B S. Prevalence of lumbar disc degeneration observed by magnetic resonance in symptomless women. Lancet 1986; 2(8520)1366–7
- Reichmann S. Radiography of the lumbar intervertebral joints. Acta Radiol (Diagn) (Stockh) 1973; 14(2)161–70
- Schneiderman G, Flannigan B, Kingston S, Thomas J, Dillin W H, Watkins R G. Magnetic resonance imaging in the diagnosis of disc degeneration: correlation with discography. Spine 1987; 12(3)276–81
- Seligman J V, Gertzbein S D, Tile M, Kapasouri A. Computer analysis of spinal segment motion in degenerative disc disease with and without axial loading. Spine 1984; 9(6)566–73
- Stokes I A, Wilder D G, Frymoyer J W, Pope M H. Assessment of patients with low back pain by biplanar radiographic measurement of intervertebral motion. (1980 Volvo award in clinical sciences). Spine 1981; 6(3)233–40