Authors: S C FitzSimmons; G A Burkhart; D Borowitz; R J Grand; T Hammerstrom; P R Durie; J D Lloyd-Still; A B Lowenfels Journal: N Engl J Med Date: 1997-05-01 Impact factor: 91.245
Authors: M L Hautekeete; N Bourgeois; P Potvin; L Duville; H Reynaert; G Devis; M Adler; G Klöppel Journal: Gastroenterology Date: 1992-12 Impact factor: 22.682