The challenge and need of defining axial psoriatic arthritis.
Fernández-Sueiro
José Luis
JL
D015535:Arthritis, Psoriatic / Q000175:diagnosis / Q000473:pathology / Q000503:physiopathology*; D018450:Disease Progression; D006801:Humans; D007596:Joints / Q000473:pathology; D012720:Severity of Illness Index; D013131:Spine / Q000473:pathology