Authors: M Kivi; A Hofhuis; D W Notermans; W J B Wannet; M E O C Heck; A W Van De Giessen; Y T H P Van Duynhoven; O F J Stenvers; A Bosman; W Van Pelt Journal: Epidemiol Infect Date: 2007-02-28 Impact factor: 2.451
Authors: S Ethelberg; G Sørensen; B Kristensen; K Christensen; L Krusell; A Hempel-Jørgensen; A Perge; E M Nielsen Journal: Epidemiol Infect Date: 2007-03-05 Impact factor: 2.451