Zhou X, Wang J, Zhang J, Copley-Merriman C, Torigoe Y, Reyes C, Seymour JF, Offner FC, Trneny M, Salles GA. Symptoms and toxicity of rituximab maintenance relative to observation following immunochemotherapy in patients with follicular lymphoma. Hematology. 2015 Apr;129(36). doi: 10.1179/1607845414Y.0000000179
Bonfill X, Rivero E, Moreno C, Rué M. Changes in cancer mortality in Catalonia and Spain (1975-77 and 1987-89). A comparison with other European countries. Eur J Cancer Prev. 1995 Dec;4(6):453-8.