Authors: C Brignola; G A Lanfranchi; M Campieri; G Bazzocchi; M Devoto; P Boni; P Farruggia; S Veggetti; A Tragnone Journal: J Clin Gastroenterol Date: 1986-06 Impact factor: 3.062
Authors: T Sahmoud; G Hoctin-Boes; R Modigliani; A Bitoun; J F Colombel; J C Soule; C Florent; J P Gendre; E Lerebours; R Sylvester Journal: Gut Date: 1995-12 Impact factor: 23.059