Lee L, Crump M, Khor S, Hoch JS, Luo J, Bremner K, Krahn M, Hodgson DC. Impact of rituximab on treatment outcomes of patients with diffuse large b-cell lymphoma: a population-based analysis. Br J Haematol. 2012 Aug;158(4):481–8. doi: 10.1111/j.1365-2141.2012.09177.x. PMID: 22671571.