Authors: J Neuberger; E Christensen; B Portmann; J Caballeria; J Rodes; L Ranek; N Tygstrup; R Williams Journal: Gut Date: 1985-02 Impact factor: 23.059
Authors: R H Wiesner; J Ludwig; K D Lindor; R A Jorgensen; W P Baldus; H A Homburger; E R Dickson Journal: N Engl J Med Date: 1990-05-17 Impact factor: 91.245
Authors: E Christensen; J Neuberger; J Crowe; D G Altman; H Popper; B Portmann; D Doniach; L Ranek; N Tygstrup; R Williams Journal: Gastroenterology Date: 1985-11 Impact factor: 22.682