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Sekhar, Hema; Zwahlen, Marcel; Trelle, Sven; Malcomson, Lee; Kochhar, Rohit; Saunders, Mark P; Sperrin, Matthew; van Herk, Marcel; Sebag-Montefiore, David; Egger, Matthias; Renehan, Andrew G (2017). Nodal stage migration and prognosis in anal cancer: a systematic review, meta-regression, and simulation study. Lancet oncology, 18(10), pp. 1348-1359. Elsevier 10.1016/S1470-2045(17)30456-4
