Authors: Sergio A Con; Ana L Valerín; Hiroaki Takeuchi; Reinaldo Con-Wong; Vicky G Con-Chin; Gil R Con-Chin; Sachiko N Yagi-Chaves; Fernando Mena; Fernando Brenes Pino; Guillermo Echandi; Michiya Kobayashi; Mario Monge-Izaguirre; Mitsuaki Nishioka; Norihito Morimoto; Tetsuro Sugiura; Keijiro Araki Journal: J Gastroenterol Date: 2006-07 Impact factor: 7.527
Authors: D Basso; F Navaglia; L Brigato; M G Piva; A Toma; E Greco; F Di Mario; F Galeotti; G Roveroni; A Corsini; M Plebani Journal: Gut Date: 1998-08 Impact factor: 23.059
Authors: R Sierra; A Chinnock; H Ohshima; B Pignatelli; C Malaveille; C Gamboa; S Teuchmann; N Muñoz; H Bartsch Journal: Cancer Epidemiol Biomarkers Prev Date: 1993 Nov-Dec Impact factor: 4.254