Authors: J Ena; M M López-Perezagua; C Martínez-Peinado; M A Cia-Barrio; I Ruíz-López Journal: Diagn Microbiol Infect Dis Date: 1998-02 Impact factor: 2.803
Authors: H Seppälä; T Klaukka; J Vuopio-Varkila; A Muotiala; H Helenius; K Lager; P Huovinen Journal: N Engl J Med Date: 1997-08-14 Impact factor: 91.245