Explore the present status of psychological problem of school children.;

Nutrition status of 175 school children in the rural area of Zhejiang Province.;

Meta analysis of effect of simple obesity on intelligence quotient of school children;

The investigation and analysis of the dental caries of the school-age children in Jiamusi welfare institution and the primary school of the Jiamusi university;

Effects of parents quality of life on psychological development of school-age children;

Correlation analysis of intake of trace elements and physical development of school-age children;

Influence of obstructive sleep apnea hypopnea syndrome on physical growth characters of preschool children and the effect of the operations;

Serum mannan-binding lectin levels in preschool children from Shenzhen;

The grating acuity of children in preschool age;

Epidemiological investigation and analysis of information with ADHD of school age children in Xiamen;

Logistic regression analysis on influence factors of childhood simple obesity among school age children;