8,855
Participants
Start Date
June 30, 2015
Primary Completion Date
June 30, 2018
Study Completion Date
December 31, 2018
Maternity and Child care of Huli District, Xiamen
Maternity and Child care of Xinmi City, Zhengzhou
Merck Sharp & Dohme LLC
INDUSTRY
National Natural Science Foundation of China
OTHER_GOV
Jun Zhang
OTHER