The development of rheumatoid arthritis (RA) has been classified into 6 phases A–F according to the present risk factors in sequence of genes, environments, autoimmunity, arthralgia and joint swelling. To… Click to show full abstract
The development of rheumatoid arthritis (RA) has been classified into 6 phases A–F according to the present risk factors in sequence of genes, environments, autoimmunity, arthralgia and joint swelling. To clarify the ultrasound synovitis scores in at‐risk patients (phases C–E) and RA (phase F).
               
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