Authors: G Pals; B D Westerveld; J Defize; J C Pronk; H Brand; M Flipse; C Verwey; S G Meuwissen; A W Eriksson Journal: Dig Dis Sci Date: 1988-02 Impact factor: 3.199
Authors: T Azuma; N Teramae; T Hayakumo; K Yasuda; M Nakajima; T Kodama; H Inokuchi; K Hayashi; R T Taggart; K Kawai Journal: Gut Date: 1993-04 Impact factor: 23.059