Dissecting Early Differentially Expressed Genes in a Mixture of Differentiating Embryonic Stem Cells. - Feng Hong; Fang Fang; Xuming He 002; Xiaoyi Cao; Hiram Chipperfield; Dan Xie; Wing Hung Wong; Huck H. Ng; Sheng Zhong 003 (PLoS Comput. Biol., 2009)