Authors: A M Jones; A D Beggs; L Carvajal-Carmona; S Farrington; A Tenesa; M Walker; K Howarth; S Ballereau; S V Hodgson; A Zauber; M Bertagnolli; R Midgley; H Campbell; D Kerr; M G Dunlop; I P M Tomlinson Journal: Gut Date: 2011-06-27 Impact factor: 23.059