Authors: J G Williams; S E Roberts; M F Ali; W Y Cheung; D R Cohen; G Demery; A Edwards; M Greer; M D Hellier; H A Hutchings; B Ip; M F Longo; I T Russell; H A Snooks; J C Williams Journal: Gut Date: 2007-02 Impact factor: 23.059
Authors: Lori A Button; Stephen E Roberts; Michael J Goldacre; Ashley Akbari; Sarah E Rodgers; John G Williams Journal: World J Gastroenterol Date: 2010-01-28 Impact factor: 5.742