title: Composite Measures of Impact and Activity in Psoriatic Arthritis: A Conceptual Framework.
authors.affiliation: Royal National Hospital for Rheumatic Diseases, Upper Borough Walls, and Department of Pharmacy and Pharmacology, University of Bath, Bath, UK. w.tillett@nhs.net.
authors.forename: William
authors.initials: W
authors.lastname: Tillett
mesh_terms: D018501:Antirheumatic Agents; D015535:Arthritis, Psoriatic; D006801:Humans; D012720:Severity of Illness Index
chemical_list: D018501:Antirheumatic Agents