1. Case records of the Massachusetts General Hospital;B, Mallory T.;N Engl J7 Med
2. Is rheumatoid spondylitis a separate entity?;Graham, W.;Arthritis Rheum; The carditis and aortitis of ankylosing spondylitis,1960
3. Ankylosing spondylitis;W, Whitfield A.G.;J R Coll Physicians Lond,1976
4. Complete heart block-another HLA B27 associated disease manifestation;Bergfeldt, L.; Moller, E.;Tissue Antgens,1983
5. Mortality from cancer and other causes after radiotherapy for ankylosing spondylitis;M, Court Brown W.; R, Doll;BMJ,1965