... Tokunaga M, Saito K, Kawabata D, Imura Y, Fujii T, Nakayamada S,Tsujimura S, Nawata M, Iwata S, Azuma T, Mimori T, Tanaka Y: Efficacy of rituximab (anti-CD20) for refractory systemic lupuserythematosus ... down-regu-lation of the T cell costimulatory molecule CD40 ligand: anopen-label trial. Arthritis Rheum 2005, 52:501-513.30. Tokunaga M, Fujii K, Saito K, Nakayamada S, Tsujimura S, NawataM, Tanaka Y: ... results,according to the following equation:ResultsClinical characteristics of the patients and response to rituximab therapyThe clinical and laboratory characteristics of the RA patientswho...