Investigation of Crohn's disease risk loci in ulcerative colitis further defines their molecular relationship. by Anderson, C, Massey, D, Barrett, J, Prescott, N, Tremelling, M, Fisher, SA, Gwilliam, R, Jacob, J, Nimmo, E, Drummond, H, Lees, C, Onnie, C, Hanson, C, Blaszczyk, K, Ravindrarajah, R, Hunt, S, Varma, D, Hammond, N, Lewis, G, Attlesey, H, Watkins, N, Ouwehand, W, Strachan, D, McArdle, W, Lewis, C