Authors: Roberto M C Guedes; Connie J Gebhart; Nathan L Winkelman; Rebecca A C Mackie-Nuss; Thomas A Marsteller; John Deen Journal: Can J Vet Res Date: 2002-04 Impact factor: 1.310
Authors: M Jacobson; T Råsbäck; H Flöistrup; M Benz; C Braun-Fahrländer; J Riedler; D Schram-Bijkerk; C Fellström Journal: Epidemiol Infect Date: 2006-11-30 Impact factor: 2.451