?url_ver=Z39.88-2004&rft_id=10.1136%2Frmdopen-2022-002302&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Li%2C+Zhixiu&rft.aufirst=Zhixiu&rft.aulast=Li&rft.volume=8&rft.atitle=Heterogeneity+of+axial+spondyloarthritis%3A+genetics%2C+sex+and+structural+damage+matter&rft.date=2022&rft.issue=1&rft.title=RMD+Open&rft.issn=2056-5933&rft.genre=article