Gospodarowicz M, Mackillop W, O'Sullivan B, Sobin L, Henson D, Hutter R V, Wittekind C
Department of Radiation Oncology, University of Toronto, Princess Margaret Hospital, Toronto, Canada.
Cancer. 2001 Apr 15;91(8 Suppl):1688-95. doi: 10.1002/1097-0142(20010415)91:8+<1688::aid-cncr1184>3.0.co;2-7.