References
- Conlon P. W., Isdale I. C., Rose B. S. Rheumatoid arhtritis of the cervical spine. An analysis of 333 cases. Ann Rheum Dis 1966; 25: 120
- Davis F. W., Markley M. E. Rheumatoid arthritis with death from medullary compression. Ann Intern Med 1951; 35: 451
- Dirrheimer Y. The Craniovertebral Region in Chronic Inflammatory Rheumatic Diseases. Springer-Verlag, Berlin, Heidelberg, New York 1977
- Harris E. D., Jr. Textbook of Rheumatology (Kelley, Hams, Ruddy, Sledge). W. B. Saunders Company, Philadelphia, London, Toronto 1981
- Herrera L. The precision of percentiles in establishing normal limits in medicine. J Lab Clin Med 1958; 52: 34
- Isdale I. C., Conlon P. W. Atlanto-axial subluxation. A six-year follow up report. Ann Rheum Dis 1971; 30: 387
- Mathews J. A. Atlanto-axial subluxation in rheumatoid arthritis. Ann Rheum Dis 1969; 28: 260
- Rana N. A., Hancock D. O., Taylor A. R., Hill A. G. S. Upward translocation of the dens in rheumatoid arthritis. J Bone Jt Surg 1973; 55(B)471
- Sharp J., Purser D. W. Spontaneous atlanto-axial dislocation in ankylosing spondylitis and rheumatoid arthritis. Ann Rheum Dis 1961; 20: 47
- Smith P. H., Benn R. T., Sharp J. Natural history of rheumatoid cervical luxations. Ann Rheum Dis 1972; 31: 431
- Winfield J., Cooke D., Brook A. S., Corbett M. A prospective study of the radiological changes in the cervical spine in early rheumatoid disease. Ann Rheum Dis 1981; 40: 109