Genome-wide association scan identifies a colorectal cancer susceptibility locus on 11q23 and replicates risk loci at 8q24 and 18q21. by Tenesa, A, Farrington, S, Prendergast, J, Porteous, M, Walker, M, Haq, N, Barnetson, R, Theodoratou, E, Cetnarskyj, R, Cartwright, N, Semple, C, Clark, A, Reid, F, Smith, L, Kavoussanakis, K, Koessler, T, Pharoah, P, Buch, S, Schafmayer, C, Tepel, J, Schreiber, S, Völzke, H, Schmidt, C, Hampe, J, Chang-Claude, J