Genetic variation and relationships of eighteen Chinese indigenous pig breeds Shu-Lin Yang, Zhi-Gang Wang, Bang Liu, Gui-Xiang Zhang, Shu-Hong Zhao, Mei Yu, Bin Fan, Meng-Hua Li, Tong-An Xiong and Kui LiGenet. Sel. Evol., 35 6 (2003) 657-671DOI: https://doi.org/10.1051/gse:2003045