Figure 3
From: High prevalence of vitamin D deficiency among children aged 1 month to 16 years in Hangzhou, China
Prevalence of 25(OH)D level at < 75 nmol/L according to seasons at each stage.
Figure 3 | BMC Public Health
From: High prevalence of vitamin D deficiency among children aged 1 month to 16 years in Hangzhou, China
Prevalence of 25(OH)D level at < 75 nmol/L according to seasons at each stage.