DOI: 10.1055/s-00000009

American Journal of Perinatology

Referenz

Bodnar LM, Simhan HN, Powers RW, Frank MP, Cooperstein E, Roberts JM.
High prevalence of vitamin D insufficiency in black and white pregnant women residing in the northern United States and their neonates 
J Nutr 2007; 137: 447-452  

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