Axial Involvement in Psoriatic Arthritis cohort (AXIS): the protocol of a joint project of the Assessment of SpondyloArthritis international Society (ASAS) and the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA).
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Ther Adv Musculoskelet Dis. 2021 Dec 18;13:1759720X211057975. doi: 10.1177/1759720X211057975. eCollection 2021.
Ther Adv Musculoskelet Dis. 2021.
PMID: 34987619
Free PMC article.