Authors: S Perry; C Shaw; C McGrother; R J Matthews; R P Assassa; H Dallosso; K Williams; K R Brittain; U Azam; M Clarke; C Jagger; C Mayne; C M Castleden Journal: Gut Date: 2002-04 Impact factor: 23.059
Authors: R D Madoff; H R Rosen; C G Baeten; L J LaFontaine; E Cavina; M Devesa; P Rouanet; J Christiansen; J L Faucheron; W Isbister; L Köhler; P J Guelinckx; L Påhlman Journal: Gastroenterology Date: 1999-03 Impact factor: 22.682