title: Ankylosing spondylitis patients with and without psoriasis do not differ in disease phenotype.
authors.forename: Pedro
authors.initials: P
authors.lastname: Machado
authors.forename: Robert
authors.initials: R
authors.lastname: Landewé
authors.forename: Jürgen
authors.initials: J
authors.lastname: Braun
authors.forename: Xenofon
authors.initials: X
authors.lastname: Baraliakos
authors.forename: Kay-Geert A
authors.initials: KG
authors.lastname: Hermann
authors.forename: Benjamin
authors.initials: B
authors.lastname: Hsu
authors.forename: Daniel
authors.initials: D
authors.lastname: Baker
authors.forename: Désirée
authors.initials: D
authors.lastname: van der Heijde
mesh_terms: D000328:Adult; D015331:Cohort Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications* / Q000503:physiopathology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000503:physiopathology
keywords: Ankylosing Spondylitis; Epidemiology; Outcomes research; Psoriatic Arthritis; Spondyloarthritis