Authors: John K Ramage; A Ahmed; J Ardill; N Bax; D J Breen; M E Caplin; P Corrie; J Davar; A H Davies; V Lewington; T Meyer; J Newell-Price; G Poston; N Reed; A Rockall; W Steward; R V Thakker; C Toubanakis; J Valle; C Verbeke; A B Grossman Journal: Gut Date: 2011-11-03 Impact factor: 23.059