Authors: S Loperfido; G Angelini; G Benedetti; F Chilovi; F Costan; F De Berardinis; M De Bernardin; A Ederle; P Fina; A Fratton Journal: Gastrointest Endosc Date: 1998-07 Impact factor: 9.427
Authors: M L Freeman; J A DiSario; D B Nelson; M B Fennerty; J G Lee; D J Bjorkman; C S Overby; J Aas; M E Ryan; G S Bochna; M J Shaw; H W Snady; R V Erickson; J P Moore; J P Roel Journal: Gastrointest Endosc Date: 2001-10 Impact factor: 9.427