title: Studies of attrition in rheumatological databases.
authors.forename: Vernon T
authors.initials: VT
authors.lastname: Farewell
mesh_terms: D019992:Databases as Topic; D006801:Humans; D010342:Patient Acceptance of Health Care; D010352:Patient Dropouts; D012042:Registries; D012216:Rheumatic Diseases / Q000453:epidemiology*