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1 Powers B, "Traumatic anterior atlanto-occipital dislocation" 4 : 12-17, 1979
2 Wholey MH, "The lateral roentgenogram of the neck; with comments on the atlanto-odontoid-basion relationship" 71 : 350-356, 1958
3 Karol LA, "Reproducibility in the measurement of atlanto-occipital instability in children with Down syndrome" 21 : 2463-2467, 1996
4 Harris JH Jr, "Radiologic diagnosis of traumatic occipitovertebral dissociation: 1. Normal occipitovertebral relationships on lateral radiographs of supine subjects" 162 : 881-886, 1994
5 Parfenchuck TA, "Posterior occipitoatlantal hypermobility in Down syndrome: an analysis of 199 patients" 14 : 304-308, 1994
6 El-Khoury GY, "Posterior atlantooccipital subluxation in Down syndrome" 159 : 507-509, 1986
7 Wiesel SW, "Occipitoatlantal hypermobility" 4 : 187-191, 1979
8 Uno K, "Occipitoatlantal and occipitoaxial hypermobility in Down syndrome" 21 : 1430-1434, 1996
9 Browd S, "Morphometric and qualitative analysis of congenital occipitocervical instability in children: implications for patients with Down syndrome" 105 : 50-54, 2006
10 Tredwell SJ, "Instability of the upper cervical spine in Down syndrome" 10 : 602-606, 1990
11 Kepler CK, "Indirect foraminal decompression after lateral transpsoas interbody fusion" 16 : 329-333, 2012
12 Radcliff KE, "In vitro biomechanics of the craniocervical junction-a sequential sectioning of its stabilizing structures" 15 : 1618-1628, 2015
13 Koch GG, "Encyclopedia of statistical sciences" Wiley 213-217, 1982
14 Riew KD, "Diagnosing basilar invagination in the rheumatoid patient: the reliability of radiographic criteria" 83 : 194-200, 2001
15 Menezes AH, "Craniovertebral abnormalities in Down’s syndrome" 18 : 24-33, 1992
16 Brockmeyer DL, "Atlantal hemi-rings and craniocervical instability: identification, clinical characteristics, and management" 8 : 357-362, 2011