Authors: Anastasia Nijnik; Lisa Woodbine; Caterina Marchetti; Sara Dawson; Teresa Lambe; Cong Liu; Neil P Rodrigues; Tanya L Crockford; Erik Cabuy; Alessandro Vindigni; Tariq Enver; John I Bell; Predrag Slijepcevic; Christopher C Goodnow; Penelope A Jeggo; Richard J Cornall Journal: Nature Date: 2007-06-07 Impact factor: 49.962