Baba, 1993, Spine, 18, 2167, 10.1097/00007632-199311000-00004
Boden, 1990, J Bone and Joint Surg, 72-A, 1178, 10.2106/00004623-199072080-00008
Bohlman, 1993, J Bone and Joint Surg, 75-A, 1298, 10.2106/00004623-199309000-00005
Brodke, 1992, Spine, 17, S427, 10.1097/00007632-199210001-00014
Bull, 1969, British J Radiol, 42, 9, 10.1259/0007-1285-42-493-9
Cherubino, 1990, Italian J Orthop and Traumat, 16, 533
Chow, 1996, Spine, 21, 549, 10.1097/00007632-199603010-00004
Clements, 1990, Spine, 15, 1023, 10.1097/00007632-199015100-00008
Dekutoski, 1994, Spine, 19, 1745, 10.1097/00007632-199408000-00015
Dohler, 1985, Arch Orthop and Traumatic Surg, 104, 247, 10.1007/BF00450219
Goffin, 1995, J Spinal Disord, 8, 500, 10.1097/00002517-199512000-00014
Gore, 1984, Spine, 9, 667, 10.1097/00007632-198410000-00002
Guille, 1995, J Pediat Orthop, 15, 617, 10.1097/01241398-199509000-00014
Henderson, 1983, Neurosurgery, 13, 504, 10.1227/00006123-198311000-00004
Herkowitz, 1990, Spine, 15, 1026, 10.1097/00007632-199015100-00009
Hilibrand, 1997, Spine, 22, 1574, 10.1097/00007632-199707150-00009
Hunter, 1980, Spine, 5, 399, 10.1097/00007632-198009000-00002
Kaplan, 1958, J Am Statist Assn, 53, 457, 10.1080/01621459.1958.10501452
Kellgren, 1958, Ann Rheumat Dis, 17, 388, 10.1136/ard.17.4.388
Lee, 1984, Spine, 9, 574, 10.1097/00007632-198409000-00007
Lunsford, 1980, J Neurosurg, 53, 1, 10.3171/jns.1980.53.1.0001
McGrory, 1994, J Bone and Joint Surg, 76-A, 1606, 10.2106/00004623-199411000-00003
Saal, 1996, Spine, 21, 1877, 10.1097/00007632-199608150-00008
Williams, 1968, J Bone and Joint Surg, 50-A, 277, 10.2106/00004623-196850020-00006