Authors: P W Mathieson; S P Cobbold; G Hale; M R Clark; D B Oliveira; C M Lockwood; H Waldmann Journal: N Engl J Med Date: 1990-07-26 Impact factor: 91.245
Authors: D R Burton; C F Barbas; M A Persson; S Koenig; R M Chanock; R A Lerner Journal: Proc Natl Acad Sci U S A Date: 1991-11-15 Impact factor: 11.205