title: Incidence of elbow involvement in rheumatoid arthritis.
authors.forename: G E
authors.initials: GE
authors.lastname: Ehrlich
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology* / Q000473:pathology*; D004551:Elbow Joint / Q000473:pathology*; D006801:Humans; D015994:Incidence