title: ASessment in Ankylosing Spondylitis (ASAS) international working group: a model for psoriatic arthritis and psoriasis?
authors.affiliation: Divison of Rheumatology, University Hospital Maastricht, PO Box 5800, 6202 AZ Maastricht, the Netherlands. dhe@sint.azm.nl
authors.forename: D
authors.initials: D
authors.lastname: van der Heijde
authors.forename: J
authors.initials: J
authors.lastname: Braun
authors.forename: R
authors.initials: R
authors.lastname: Landewé
authors.forename: J
authors.initials: J
authors.lastname: Davis
authors.forename: J
authors.initials: J
authors.lastname: Sieper
authors.forename: S
authors.initials: S
authors.lastname: van der Linden
authors.forename: M
authors.initials: M
authors.lastname: Dougados
mesh_terms: D015535:Arthritis, Psoriatic / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D007391:International Cooperation; D017146:Models, Organizational; D011565:Psoriasis / Q000175:diagnosis* / Q000628:therapy; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000628:therapy