title: The changing face of rheumatoid arthritis: why the decline in incidence?
authors.forename: Alan J
authors.initials: AJ
authors.lastname: Silman
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D005387:Finland / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D007564:Japan / Q000453:epidemiology; D008910:Minnesota / Q000453:epidemiology; D017678:Sex Distribution; D006113:United Kingdom / Q000453:epidemiology