Authors: Abhishek Das; Matthew Hoare; Nathan Davies; A Ross Lopes; Claire Dunn; Patrick T F Kennedy; Graeme Alexander; Helene Finney; Alistair Lawson; Fiona J Plunkett; Antonio Bertoletti; Arne N Akbar; Mala K Maini Journal: J Exp Med Date: 2008-08-11 Impact factor: 14.307