title: OMERACT 6 brings new perspectives to rheumatology measurement research.
authors.forename: Kenneth G
authors.initials: KG
authors.lastname: Saag
mesh_terms: D006801:Humans; D017063:Outcome Assessment, Health Care / Q000458:organization & administration*; D012216:Rheumatic Diseases / Q000628:therapy*; D012219:Rheumatology / Q000458:organization & administration*