RT Journal Article SR Electronic T1 No increased mortality in incident cases of rheumatoid arthritis during the new millennium JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 2057 OP 2058 DO 10.1136/ard.2009.125492 VO 69 IS 11 A1 K Puolakka A1 H Kautiainen A1 T Pohjolainen A1 L Virta YR 2010 UL http://ard.bmj.com/content/69/11/2057.abstract AB