Study on current situation of body development and feeding of children aged under five years in eight cities of Shandong province.;

Investigation on 188 Infants Feeding and Related Family Behaviors;

Intervention of micro-suck in the early feeding of premature infants;

A study on association between breastfeeding and behavior development in children aged 4-5 years old;

Progress in research on long-term influence of breastfeeding on health of mother and the infant;

Study of breastfeeding and the growth and development of children in Shenzhen city.;

Research progress on breast feeding of preterm infants;

Current situation survey of infants breast feeding in Shanghai Huangpu-Bansong region;

Relationship between hepatitis B virus DNA load in serum and breast milk of HBV carrier mother and the safety of breast feeding;