Yan, Pi-Jun
Xu, Yong
Wan, Qin
Feng, Jian
Li, Hua
Gao, Chen-Lin
Yang, Jun
Zhong, Hai-Hua
Zhang, Zhi-Hong
Funding for this research was provided by:
research grants from the National Natural Science Foundation of China (31300946)
research grants from Sichuan Province Science and Technology Department (Z1448)
research grants from the Health and Family Planning Commission of Sichuan Province (no. ) (16129)
research grants from Luzhou science and technology bureau (2013-S-48 (22/30))