Authors: Lin He; Xingyue He; Lee P Lim; Elisa de Stanchina; Zhenyu Xuan; Yu Liang; Wen Xue; Lars Zender; Jill Magnus; Dana Ridzon; Aimee L Jackson; Peter S Linsley; Caifu Chen; Scott W Lowe; Michele A Cleary; Gregory J Hannon Journal: Nature Date: 2007-06-06 Impact factor: 49.962