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: Stewart W Mercer; Maria Higgins; Annemieke M Bikker; Bridie Fitzpatrick; Alex McConnachie; Suzanne M Lloyd; Paul Little; Graham C M Watt Journal: Ann Fam Med Date: 2016-03 Impact factor: 5.166