Authors: Jeppe T Friborg; Ruth F Jarrett; Anders Koch; Peter Garred; June M L Freeland; Andreas Andersen; Mads Melbye Journal: Clin Vaccine Immunol Date: 2010-07-07
Authors: P Ammatuna; R Di Stefano; S Arista; F Sammartano; L Bellia; P Formica; A Albeggiani Journal: Eur J Epidemiol Date: 1989-06 Impact factor: 8.082