Authors: Emanual Maverakis; Jonathan Beech; David B Stevens; Akio Ametani; Laurent Brossay; Peter van den Elzen; Richard Mendoza; Quoc Thai; Luis H Macias; Doug Ethell; Celia W Campagnoni; Anthony T Campagnoni; Alessandro Sette; Eli E Sercarz Journal: Proc Natl Acad Sci U S A Date: 2003-04-21 Impact factor: 11.205