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
Kjeldsen BJ, Thorsen H, Whalley D, Kronborg O. Influence of follow-up on health-related quality of life after radical surgery for colorectal cancer. Scand J Gastroenterol. 1999 May;34(5):509-15.