Megha Ghildiyal, Hervé Seitz, Michael D. Horwich, Chengjian Li, Tingting Du, Soohyun Lee, Jia Xu, Ellen L.W. Kittler, Maria L. Zapp, Zhiping Weng, Phillip D. Zamore
Science.
Author manuscript; available in PMC 2010 Oct 12.Published in final edited form as: Science. 2008 May 23; 320(5879): 1077–1081. Published online 2008 Apr 10. doi: 10.1126/science.1157396