Categories of vitamin D status by age, season or gender (n = 5,571).
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a N, the total number of children in each group.b Within each group, Vitamin D status was presented as the number (percent) of young children in different categories.c Values were compared using the Chi Square (χ2) test. PCategories of vitamin D status by age, season or gender (n = 5,571).
创建时间：
2015-12-03
