Authors: Marina R Carpinelli; Douglas J Hilton; Donald Metcalf; Jennifer L Antonchuk; Craig D Hyland; Sandra L Mifsud; Ladina Di Rago; Adrienne A Hilton; Tracy A Willson; Andrew W Roberts; Robert G Ramsay; Nicos A Nicola; Warren S Alexander Journal: Proc Natl Acad Sci U S A Date: 2004-04-07 Impact factor: 11.205