1. Andersson O (1937) Röntgenbilder vid spondylarthritis ankylopoetica. Nord Med Tidskr 14:200
2. Capaci K, Hepguler S, Argin M, Tas I (2003) Bone mineral density in mild and advanced ankylosing spondylitis. Yonsei Med J 44(3):379–384
3. Cooper C, Carbone L, Michet CJ, Atkinson EJ, O‘Fallon WM, Melton LJ 3rd (1994) Fracture risk in patients with ankylosing spondylitis: a population based study. J Rheumatol 21(10):1877–1882
4. Donnelly S, Doyle DV, Denton A, Rolfe I, McCloskey EV, Spector TD (1994) Bone mineral density and vertebral compression fracture rates in ankylosing spondylitis. Ann Rheum Dis 53(2):117–121
5. Dos Santos FP, Constantin A, Laroche M, Destombes F, Bernard J, Mazieres B, Cantagrel A (2001) Whole body and regional bone mineral density in ankylosing spondylitis. J Rheumatol 28(3):547–549