Authors: Thomas A Ullman; Edward V Loftus; Sanjay Kakar; Lawrence J Burgart; William J Sandborn; William J Tremaine Journal: Am J Gastroenterol Date: 2002-04 Impact factor: 10.864
Authors: G C Actis; A Ottobrelli; A Pera; C Barletti; V Ponti; M Pinna-Pintor; G Verme Journal: J Clin Gastroenterol Date: 1993-07 Impact factor: 3.062