Yang, Shui-hua
Luo, Peng-hui
Tian, Xiao-xian http://orcid.org/0000-0001-6701-2012
Li, Xin-yan
Li, Xue-qin
Yang, Zuo-jian
Li, Sheng-li
Funding for this research was provided by:
Guangxi research and development project of health approximate technology (S2013-0902)
Self-financing project of National Health and Family Planning Commission of Guangxi Zhuang Autonomous Region (Z2016106)