Xiaofeng Zheng, Raluca Dumitru, Brad L. Lackford, Johannes M. Freudenberg, Ajeet P. Singh, Trevor K. Archer, Raja Jothi, Guang Hu
Stem Cells.
Author manuscript; available in PMC 2013 Oct 1.Published in final edited form as: Stem Cells. 2012 May; 30(5): 910–922. doi: 10.1002/stem.1070