Glynne-Jones R, Meadows H, Wan S, Gollins S, Leslie M, Levine E, McDonald AC, Myint S, Samuel L, Sebag-Montefiore D. EXTRA--a multicenter phase II study of chemoradiation using a 5 day per week oral regimen of capecitabine and intravenous mitomycin C in anal cancer. Int J Radiat Oncol Biol Phys. 2008 Sep 01; 72(1):119-26.