Remission of lymphoma after withdrawal of methotrexate in rheumatoid arthritis: relationship with type of latent Epstein-Barr virus infection.
Miyazaki T, Fujimaki K, Shirasugi Y, Yoshiba F, Ohsaka M, Miyazaki K, Yamazaki E, Sakai R, Tamaru J, Kishi K, et al. Am J Hematol. 2007 Dec; 82(12):1106-9.