Authors: A Wald; D H Van Thiel; L Hoechstetter; J S Gavaler; K M Egler; R Verm; L Scott; R Lester Journal: Gastroenterology Date: 1981-06 Impact factor: 22.682
Authors: E M Quigley; P H Deprez; P Hellstrom; E Husebye; E E Soffer; V Stanghellini; R W Summers; A Wilmer; D L Wingate Journal: Dig Dis Sci Date: 1997-12 Impact factor: 3.199
Authors: G Bassotti; G Castellucci; C Betti; C Fusaro; M L Cavalletti; A Bertotto; F Spinozzi; A Morelli; M A Pelli Journal: Dig Dis Sci Date: 1994-09 Impact factor: 3.199