Authors: C Bernoulli; J Siegfried; G Baumgartner; F Regli; T Rabinowicz; D C Gajdusek; C J Gibbs Journal: Lancet Date: 1977-02-26 Impact factor: 79.321
Authors: H Büeler; M Fischer; Y Lang; H Bluethmann; H P Lipp; S J DeArmond; S B Prusiner; M Aguet; C Weissmann Journal: Nature Date: 1992-04-16 Impact factor: 49.962