Clonality assessment and clonal ordering of individual neoplastic crypts shows polyclonality of colorectal adenomas. by Thirlwell, C, Will, O, Domingo, E, Graham, T, McDonald, SA, Oukrif, D, Jeffrey, R, Gorman, M, Rodriguez-Justo, M, Chin-Aleong, J, Clark, S, Novelli, MR, Jankowski, J, Wright, N, Tomlinson, I, Leedham, S