Authors: J J Bergman; E A Rauws; P Fockens; A M van Berkel; P M Bossuyt; J G Tijssen; G N Tytgat; K Huibregtse Journal: Lancet Date: 1997-04-19 Impact factor: 79.321
Authors: T Rösch; R Lorenz; K Zenker; A von Wichert; H Dancygier; H Höfler; J R Siewert; M Classen Journal: Gastrointest Endosc Date: 1992 Jul-Aug Impact factor: 9.427
Authors: W C Wu; R M Katon; R R Saxon; R E Barton; B T Uchida; F S Keller; J Rösch Journal: Gastrointest Endosc Date: 1994 Jan-Feb Impact factor: 9.427