Genome-wide association defines more than 30 distinct susceptibility loci for Crohn's disease. by Barrett, J, Hansoul, S, Nicolae, D, Cho, J, Duerr, R, Rioux, J, Brant, SR, Silverberg, MS, Taylor, K, Barmada, M, Bitton, A, Dassopoulos, T, Datta, L, Green, T, Griffiths, A, Kistner, E, Murtha, M, Regueiro, MD, Rotter, J, Schumm, L, Steinhart, A, Targan, SR, Xavier, R, Libioulle, C, Sandor, C