Xiaobo Liu, Fangjun Wan, Cirendunzhu, Cirenwangla, Li Bai, Pengcuociren, Lin Zhou, Baimaciwang, Yuhong Guo, Dazhen, Junfang Xu, Shaowei Sang, Xiaolu Li, Shaohua Gu, Haixia Wu, Jun Wang, Dawa, Xiraoruodeng, Qiyong Liu
Int J Environ Res Public Health. 2014 Sep; 11(9): 9919–9937. Published online 2014 Sep 23. doi: 10.3390/ijerph110909919