Authors: Erika Assarsson; Jason A Greenbaum; Magnus Sundström; Lana Schaffer; Jennifer A Hammond; Valerie Pasquetto; Carla Oseroff; R Curtis Hendrickson; Elliot J Lefkowitz; David C Tscharke; John Sidney; Howard M Grey; Steven R Head; Bjoern Peters; Alessandro Sette Journal: Proc Natl Acad Sci U S A Date: 2008-02-01 Impact factor: 11.205