%0 Journal Article %A Konstantinos Parperis %T Frequency of MRI changes suggestive of axial spondyloarthritis in the axial skeleton in a large population-based cohort of individuals aged <45 years %D 2022 %R 10.1136/annrheumdis-2019-216773 %J Annals of the Rheumatic Diseases %P e7-e7 %V 81 %N 1 %U https://ard.bmj.com/content/annrheumdis/81/1/e7.full.pdf