Authors: David Jackson; Md Jaber Hossain; Danielle Hickman; Daniel R Perez; Robert A Lamb Journal: Proc Natl Acad Sci U S A Date: 2008-03-11 Impact factor: 11.205
Authors: D A Senne; B Panigrahy; Y Kawaoka; J E Pearson; J Süss; M Lipkind; H Kida; R G Webster Journal: Avian Dis Date: 1996 Apr-Jun Impact factor: 1.577