Hector Sandoval, Perumal Thiagarajan, Swapan K. Dasgupta, Armin Schumacher, Josef T. Prchal, Min Chen, Jin Wang
Nature.
Author manuscript; available in PMC 2009 Jul 10.Published in final edited form as: Nature. 2008 Jul 10; 454(7201): 232–235. Published online 2008 May 4. doi: 10.1038/nature07006