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@justacoolcat @RheumaArthritis Or this additional scholarly article: https://t.co/rByfYLnzmD long known connex btn rheumatoid factor + rheumatoid arthritis & 🚬 smoking
@justacoolcat @RheumaArthritis Or this additional scholarly article: https://t.co/rByfYLnzmD long known connex btn rheumatoid factor + rheumatoid arthritis & 🚬 smoking