Ancient DNA Reveals That the Genetic Structure of the Northern Han Chinese Was Shaped Prior to 3,000 Years Ago Zhao, Yong-Bin; Zhang, Ye; Zhang, Quan-Chao; Li, Hong-Jie; Cui, Ying-Qiu; Xu, Zhi; Jin, Li; Zhou, Hui; Zhu, Hong Abstract Publication: PLoS ONE Pub Date: May 2015 DOI: 10.1371/journal.pone.0125676 Bibcode: 2015PLoSO..1025676Z