title: Radiographic damage in rheumatoid arthritis: description by nonlinear models.
authors: H A
authors: HA
authors: Fuchs
authors: T
authors: T
authors: Pincus
mesh_terms: D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D011859:Radiography; D013997:Time Factors