Figure 2

The distribution of serum 25(OH)D levels in boys (A) and girls (B) in different age groups. The distribution of serum 25(OH)D levels in boys (C) and girls (D) grouped by different seasons.
The distribution of serum 25(OH)D levels in boys (A) and girls (B) in different age groups. The distribution of serum 25(OH)D levels in boys (C) and girls (D) grouped by different seasons.