Outcomes of methotrexate-associated lymphoproliferative disorders in rheumatoid arthritis patients treated with disease-modifying anti-rheumatic drugs. - Harada T; Iwasaki H; Muta T; Urata S; Sakamoto A; Kohno K; Takase K; Miyamura T; Sawabe T; Asaoku H; Oryoji K; Fujisaki T; et al. (British journal of haematology, 2021)