Rate of Vitamin D Deficiency and Frequency of Acute Respiratory Infections in Children Under 5 Years Old in An Lao District, Hai Phong City
Chapter 4: DISCUSSION During the study, we recruited 406 pairs of mothers and children under 5 years of age who met the criteria for the status study and 164 for the intervention study. Here are some key points to consider: 4.1. Rate of vitamin D deficiency and frequency of acute respiratory ...

