%0 Journal Article %A D. Samartzis %A H. N. Modi %A K. M. C. Cheung %A K. D. K. Luk %T A new mechanism of injury in ankylosing spondylitis %D 2013 %J The Bone & Joint Journal %P 206-209 %V 95-B %N 2 %R 10.1302/0301-620X.95B2.29554 %U https://doi.org/10.1302/0301-620X.95B2.29554 %K Ankylosing spondylitis,Cervical,Atlantoaxial,Hyperextension,Subluxation,Mechanism,Instability,Myelopathy