摘要
Objective To investigate the iodine nutritional status of children aged 8-10 years old and pregnant women in Henan Province.Methods From March to September2020,a cross-sectional survey was conducted in 18provincial-level cities and 9 directly administered counties(collectively referred to as provincial-level cities)and 155 counties(cities,districts)in Henan Province.
作者
朱琳
ZHU Lin(Instit Endem Dis Contr&Prev,Henan Prov Dis Contr&Prev Center,Zhengzhou 450016)
