1. Myelopathy resulting from the atlantodental hypertrophic osteoarthritis accompanying the dens hypertrophy: Two case reports;Sato;Spine (Phila Pa,1976
2. Cervical myelopathy and congenital stenosis from hypoplasia of the atlas: report of three cases and literature review;Nishikawa;Spine,2001
3. Ossification of the posterior atlantoaxial membrane and the transverse atlantal ligament;Shoda;Spine (Phila Pa,1976
4. Cervical myelopathy caused by anomalies at the level of atlas;Tang;Spine (Phila Pa,1976
5. Hypertrophic dens resulting in cervical myelopathy: Histologic features of the hypertrophic dens;Okada;Spine (Phila Pa,1976