Pain descriptions and surgical findings in patients with herniated lumbar intervertebral discs

American Academy of Orthopedic Surgeons, 1984, A Glossary of Spinal Terminology, Am. Acad. Orthop. Surg.

Bezdek, 1981, Detection and characterization of cluster substructure. I. Linear structure: fuzzy c-lines. Part II. Fuzzy c-varieties and convex combinations thereof, Siam J. Appl. Math., 40, 339, 10.1137/0140029

Bond, 1984, Pain, its Nature, Analysis and Treatment, 57

Breig, 1978, Adverse Mechanical Tension in the Central Nervous System. An Analysis of Cause and Effect. Relief by Functional Neurosurgery, 153

Breig, 1963, Biomechanics of the lumbosacral nerve roots, Acta Radiol. (Stockh.), 1, 1141

Dubussion, 1976, Classification of clinical pain descriptors by multiple groups discriminant analysis, Exp. Neurol., 51, 480, 10.1016/0014-4886(76)90271-5

Dyck, 1979, The Stoop test in lumbar entrapment radiculopathy, Spine, 4, 89, 10.1097/00007632-197901000-00014

Eisenstein, 1983, Lumbar vertebral canal morphometry for computerised tomography in spinal stenosis, Spine, 8, 187, 10.1097/00007632-198303000-00010

Elliot, 1971, The differential diagnosis of sciatica, Orthop. Clin. N.Am., 2, 477, 10.1016/S0030-5898(20)31121-4

Epstein, 1977, Lumbar spinal stenosis, Radiol. Clin. N.Am., 15, 227

Farfan, 1972, Lumbar intervertebral disc degeneration. The influence of geometrical features on the pattern of disc degeneration — a post mortem study, J. Bone Jt Surg., 54A, 492, 10.2106/00004623-197254030-00004

Foerster, 1932, The dermatomes in man, Brain, 56, 1, 10.1093/brain/56.1.1

Gunderson, 1984

Howe, 1977, Mechanosensitivity of dorsal root ganglia and chronically injured axons: a physiological basis for the radicular pain of nerve root compression, Pain, 3, 25, 10.1016/0304-3959(77)90033-1

Huskisson, 1983, Visual analogue scales, 33

Inman, 1944, Referred pain from skeletal structures, J. Nerv. Ment. Dis., 99, 660, 10.1097/00005053-194405000-00023

Leavitt, 1978, Affective and sensory dimensions of back pain, Pain, 4, 273, 10.1016/0304-3959(77)90139-7

Ljunggren, 1983, Descriptions of pain and other sensory modalities in patients with lumbago-sciatica and herniated intervertebral discs. Interview administration of an adapted McGill Pain Questionnaire, Pain, 16, 265, 10.1016/0304-3959(83)90114-8

Ljunggren, 1983, Smertebeskrivelse hos pasienter med lumbago-ischias og lumbalt skiveprolaps, Fysioterapeuten, 50, 329

Ljunggren, 1983, Smertebeskrivelse hos pasienter med lumbago-ischias og lumbalt skiveprolaps, Fysioterapeuten, 50, 336

Melzack, 1975, The McGill Pain Questionnaire: major properties and scoring methods, Pain, 1, 277, 10.1016/0304-3959(75)90044-5

Miller, 1980, Musculo-skeletal interactions in the adolescent spine. A study of the effect of some geometric and material property changes in a threedimensional mathematical model

Murphy, 1977, Nerve root and spinal nerves in degenerative disk disease, Clin. Orthop. Rel. Res., 129, 46, 10.1097/00003086-197711000-00005

O'Brien, 1984, Mechanisms of spinal pain, 240

Oostdam, 1984, Description of pain and the degree to which the complaints fit the organicdiagnosis of low back pain, Pain, 18, 71, 10.1016/0304-3959(84)90127-1

Procacci, 1984, Heart pain, 309

Romesburg, 1984, Cluster Analysis for Researchers, 170

Rydevik, 1984, Pathoanatomy and pathophysiology of nerve root compression, Spine, 9, 7, 10.1097/00007632-198401000-00004

Sand, 1970, The Human Lumbo-Sacral Vertebral Column. An Osteometric Study (Thesis), 130

Sham, 1971, Tension signs in lumbar disc prolapse, Clin. Orthop. Rel. Res., 5, 195, 10.1097/00003086-197103000-00026

Smyth, 1958, Sciatica and the intervertebral disc, J. Bone Jt Surg., 40A, 1401, 10.2106/00004623-195840060-00016

Spencer, 1984, The effect of intervertebral disc space narrowing on the contact force between the nerve root and a simulated disc protrusion, Spine, 9, 422, 10.1097/00007632-198405000-00018

Sunderland, 1976, Pain mechanisms in causalgia, J. Neurol. Neurosurg. Psychiat., 39, 471, 10.1136/jnnp.39.5.471

Troup, 1986, Biomechanics of the lumbar spinal canal, Clin. Biomech., 1, 31, 10.1016/0268-0033(86)90036-7

Urban, 1988, Swelling pressure of the lumbar intervertebral discs: influence of age, spinal level, composition and degeneration, Spine, 13, 179, 10.1097/00007632-198802000-00009

Weiss, 1973, Overflächen- und Tiefenschmerz. Auslösung und Leitung der Erregung, 13