JK Doorduijn, I Buijt, B van der Holt, M van Agthoven, P Sonneveld, CA Uyl-de Groot. Economic evaluation of prophylactic granulocyte colony stimulating factor during chemotherapy in elderly patients with aggressive non-Hodgkin’s lymphoma. Haematologica 2004;89(9):1109-1117; https://doi.org/10.3324/%x.