Authors: Felix B Langer; Etienne Wenzl; Gerhard Prager; Andreas Salat; Johannes Miholic; Thomas Mang; Johannes Zacherl Journal: Ann Thorac Surg Date: 2005-02 Impact factor: 4.330
Authors: Marc F Catalano; Jeffrey D Linder; Suku George; Eduardo Alcocer; Joseph E Geenen Journal: Gastrointest Endosc Date: 2004-12 Impact factor: 9.427