Authors: Michael H Graham; Brian P Kinlan; Louis D Druehl; Lauren E Garske; Stuart Banks Journal: Proc Natl Acad Sci U S A Date: 2007-10-03 Impact factor: 11.205
Authors: Matthew E S Bracken; Sara E Friberg; Cirse A Gonzalez-Dorantes; Susan L Williams Journal: Proc Natl Acad Sci U S A Date: 2008-01-14 Impact factor: 11.205