title: Introduction/overview on clinical registries.
authors.affiliation: University of Toronto Western Research Institute, Psoriatic Arthritis Program, Toronto Western Hospital, Ontario M5T 2S8, Canada. dafna.gladman@utoronto.ca
authors.forename: D D
authors.initials: DD
authors.lastname: Gladman
authors.forename: A
authors.initials: A
authors.lastname: Menter
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D016208:Databases, Factual; D006801:Humans; D012042:Registries / Q000592:standards