Comment on: Incidence of extra-articular manifestations in ankylosing spondylitis, psoriatic arthritis and undifferentiated spondyloarthritis: results from a national register-based cohort study

Rheumatology (Oxford). 2021 Dec 24;61(1):e32. doi: 10.1093/rheumatology/keab744.

Shuo-Yan Gau¹, Meng-Che Wu^{1

2

3}, James Cheng-Chung Wei^{4

5

6}

¹ School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
² Division of Gastroenterology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
³ College of Medicine, National Chung Hsing University,, Taichung, Taiwan.
⁴ Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.
⁵ Department of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan.
⁶ Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.

No abstract available

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