Figure 2.

The relationship between seafood and n-3 supplement intakes from the FFQ (points) and the level of 25-hydroxy vitamin D (25(OH)D). Points are calculated using the frequency of intake of seafood and n-3 supplements as given in Table 1.

Dahl et al. Nutrition Journal 2011 10:127   doi:10.1186/1475-2891-10-127
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