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Wagstaff, John, et al. "A Randomised Phase III Trial of the Pharmacokinetic Biomodulation of Irinotecan Using Oral Ciclosporin in Advanced Colorectal Cancer: Results of the Panitumumab, Irinotecan & Ciclosporin in COLOrectal Cancer Therapy Trial (PICCOLO)." European Journal of Cancer 49.16 (2013): 3507-3516.