21.
Sant M, Allemani C, Capocaccia R, Hakulinen T, Aareleid T, Coebergh JW, Coleman MP, Grosclaude P, Martinez C, Bell J, Youngson J, Berrino F and EUROCARE Working Group. Stage at diagnosis is a key explanation of differences in breast cancer survival across Europe. Int J Cancer. 2003; 1: 416-422.