Authors: A Etzioni; M Frydman; S Pollack; I Avidor; M L Phillips; J C Paulson; R Gershoni-Baruch Journal: N Engl J Med Date: 1992-12-17 Impact factor: 91.245
Authors: C Berlin; E L Berg; M J Briskin; D P Andrew; P J Kilshaw; B Holzmann; I L Weissman; A Hamann; E C Butcher Journal: Cell Date: 1993-07-16 Impact factor: 41.582