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
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| Description | scientific article published in May 2009 |
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author: Theodore Pincus |
| Publication date | May 1, 2009 |
| Language | English |
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