Figure 1.

Mean concentration of (A) maternal and (B) neonatal vitamin D forms. 1: 25(OH)D2, 2: 25(OH)D3, 3: 3-epi-25(OH)D2, 4: 3-epi-25(OH)D3, 5: 1α,25(OH)2D3. Bars represent within-group standard deviations. Mean values for each analyte are presented in Additional file 1.

Karras et al. Nutrition Journal 2013 12:77   doi:10.1186/1475-2891-12-77
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