Research ArticleArticle
Erythrocyte Sedimentation Rate, C-Reactive Protein, or Rheumatoid Factor Are Normal at Presentation in 35%–45% of Patients with Rheumatoid Arthritis Seen Between 1980 and 2004: Analyses from Finland and the United States
TUULIKKI SOKKA and THEODORE PINCUS
The Journal of Rheumatology July 2009, 36 (7) 1387-1390; DOI: https://doi.org/10.3899/jrheum.080770
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In this issue
The Journal of Rheumatology
Vol. 36, Issue 7
1 Jul 2009
Erythrocyte Sedimentation Rate, C-Reactive Protein, or Rheumatoid Factor Are Normal at Presentation in 35%–45% of Patients with Rheumatoid Arthritis Seen Between 1980 and 2004: Analyses from Finland and the United States
TUULIKKI SOKKA, THEODORE PINCUS
The Journal of Rheumatology Jul 2009, 36 (7) 1387-1390; DOI: 10.3899/jrheum.080770
Erythrocyte Sedimentation Rate, C-Reactive Protein, or Rheumatoid Factor Are Normal at Presentation in 35%–45% of Patients with Rheumatoid Arthritis Seen Between 1980 and 2004: Analyses from Finland and the United States
TUULIKKI SOKKA, THEODORE PINCUS
The Journal of Rheumatology Jul 2009, 36 (7) 1387-1390; DOI: 10.3899/jrheum.080770