Authors: K A Gawad; R Wachowiak; C Rempf; W J Tiefenbacher; T Strate; E G Achilles; C Blöchle; J R Izbicki Journal: Surg Endosc Date: 2003-08-15 Impact factor: 4.584
Authors: S Mattioli; V Pilotti; V Felice; A Lazzari; R Zannoli; M L Bacchi; P Loria; A Tripodi; G Gozzetti Journal: Dig Dis Sci Date: 1990-08 Impact factor: 3.199