Authors: C Martinz; M A Marcos; P Pereira; C Marquez; M Toribio; A de la Hera; P A Cazenave; A Coutinho Journal: Proc Natl Acad Sci U S A Date: 1987-06 Impact factor: 11.205
Authors: R M Zinkernagel; A Althage; E Waterfield; B Kindred; R M Welsh; G Callahan; P Pincetl Journal: J Exp Med Date: 1980-02-01 Impact factor: 14.307