Authors: D C Snover; R K Sibley; D K Freese; H L Sharp; J R Bloomer; J S Najarian; N L Ascher Journal: Hepatology Date: 1984 Nov-Dec Impact factor: 17.425
Authors: J G O'Grady; G J Alexander; S Sutherland; P T Donaldson; F Harvey; B Portmann; R Y Calne; R Williams Journal: Lancet Date: 1988-08-06 Impact factor: 79.321