Mitochondrial DNA analysis of remains from Zhukaigou archaeological site in Inner Mongolia. WANG Hal-jing, CHANG E, CAI Da-wei, ZHANG Quan-chao, ZHOU Hui, ZHU Hong (1. Ancient DNA Laboratory, Research Center for Chinese Frontier Archaeology, Jilin University, Changchun 130012, China: 2. Teaching and Research Center of Chemistry, College of Chemistry, Jilin University, Changchun 130021, China; 3. Macromolecular Laboratory, College of Life Science, Jilin University, Changchun 130023, China). 2007.