| RA | Rheumatoid arthritis |
| FR | Fibroblastic rheumatism |
| MRH | Multicentric reticulohistiocytosis |
| MCP | Metacarpophalangeal |
| PIP | Proximal interphalangeal |
| CRP | C-reactive protein |
| ESR | Erythrocyte sedimentation rate |
| TNF | Tumor necrosis factor |
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