| auto immune system rheumatoid arthritis | 1.74 | 0.7 | 4243 | 39 | 86 |
| rheumatoid arthritis immune system | 0.34 | 0.9 | 9508 | 34 | 84 |
| immune system and rheumatoid arthritis | 1.76 | 0.8 | 9124 | 38 | 17 |
| rheumatoid arthritis immune system disorder | 1.29 | 0.3 | 1246 | 43 | 59 |
| autoimmune disease and rheumatoid arthritis | 0.29 | 0.3 | 1074 | 43 | 94 |
| rheumatoid arthritis immune disorder | 0.03 | 0.6 | 4700 | 36 | 11 |
| rheumatoid arthritis affect the immune system | 0.45 | 0.1 | 561 | 45 | 30 |
| rheumatoid arthritis other autoimmune | 0.59 | 0.5 | 1264 | 37 | 36 |
| autoimmune disorders rheumatoid arthritis | 0.31 | 0.1 | 2723 | 41 | 95 |
| rheumatoid arthritis immune response | 0.2 | 0.3 | 5997 | 36 | 22 |
| rheumatoid arthritis an autoimmune disorder | 1.11 | 0.7 | 172 | 43 | 43 |
| autoimmune disease and arthritis | 1.4 | 0.7 | 2144 | 32 | 88 |
| autoimmune inflammatory rheumatic diseases | 0.52 | 0.4 | 1815 | 42 | 91 |
