%0 Journal Article %A M I Cawley %A T M Chalmers %A J H Kellgren %A J Ball %T Destructive lesions of vertebral bodies in ankylosing spondylitis. %D 1972 %R 10.1136/ard.31.5.345 %J Annals of the Rheumatic Diseases %P 345-358 %V 31 %N 5 %U https://ard.bmj.com/content/annrheumdis/31/5/345.full.pdf