Genome-wide allelotyping of 104 Finnish colorectal cancers reveals an excess of allelic imbalance in chromosome 20q in familial cases. by Laiho, P, Hienonen, T, Karhu, A, Lipton, L, Aalto, Y, Thomas, H, Birkenkamp-Demtroder, K, Hodgson, S, Salovaara, R, Mecklin, J, Järvinen, H, Knuutila, S, Halford, S, Ørntoft, T, Tomlinson, I, Launonen, V, Houlston, R, Aaltonen, L