Atlantooccipital Dislocation:MR Demonstration of Cord Damage
J Comput Assist Tomogr 15:174-178, Goldberg,A.L.,et al, 1991
Pseudotumor of the Craniovertebral Junction Associated with Chronic Subluxation:MR Imaging Studies
Radiology 161:391-394, Sze,G.,et al, 1986