Jakobsen, A., Pfeiffer, P., Hansen, F., Sandberg, E., & Aabo, K. (2001). Dual Modulation of UFT with Leucovorin and Hydroxyurea in Metastatic Colorectal Cancer. Acta Oncologica, 40(1), 63–66. https://doi.org/10.1080/028418601750071073