Major Population Expansion of East Asians Began before Neolithic Time: Evidence of mtDNA Genomes Zheng, Hong-Xiang ; Yan, Shi ; Qin, Zhen-Dong ; Wang, Yi ; Tan, Jing-Ze ; Li, Hui ; Jin, Li Abstract Publication: PLoS ONE Pub Date: October 2011 DOI: 10.1371/journal.pone.0025835 Bibcode: 2011PLoSO...625835Z