Copy Number Variation of the <i>SHE</i> Gene in Sheep and Its Association with Economic Traits oleh Rui Jiang, Jie Cheng, Xiu-Kai Cao, Yi-Lei Ma, Buren Chaogetu, Yong-Zhen Huang, Xian-Yong Lan, Chu-Zhao Lei, Lin-Yong Hu, Hong Chen