Authors: G Chowell; C Viboud; L Simonsen; M A Miller; J Hurtado; G Soto; R Vargas; M A Guzman; M Ulloa; C V Munayco Journal: Vaccine Date: 2011-07-22 Impact factor: 3.641
Authors: Dennis L Chao; Laura Matrajt; Nicole E Basta; Jonathan D Sugimoto; Brandon Dean; Dee Ann Bagwell; Brit Oiulfstad; M Elizabeth Halloran; Ira M Longini Journal: Am J Epidemiol Date: 2011-03-22 Impact factor: 4.897