title: Scoring methods.
authors.forename: Rolf
authors.initials: R
authors.lastname: Rau
authors.forename: Siegfried
authors.initials: S
authors.lastname: Wassenberg
mesh_terms: D001172:Arthritis, Rheumatoid / Q000473:pathology* / Q000503:physiopathology; D001175:Arthrography / Q000379:methods*; D018450:Disease Progression; D006801:Humans; D007596:Joints / Q000473:pathology* / Q000503:physiopathology; D012219:Rheumatology / Q000379:methods*; D012720:Severity of Illness Index