CS Chim, YY Pang, GC Ooi, MY Mok, TW Shek. EBV-associated synovial lymphoma in a chronically inflamed joint in rheumatoid arthritis receiving prolonged methotrexate treatment. Haematologica 2006;91(8_Suppl):ECR31-ECR31; https://doi.org/10.3324/%x.