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2. Heritability and seasonal variability of vitamin D concentrations in male twins. Karohl C; Su S; Kumari M; Tangpricha V; Veledar E; Vaccarino V; Raggi P Am J Clin Nutr; 2010 Dec; 92(6):1393-8. PubMed ID: 20943799 [TBL] [Abstract][Full Text] [Related]
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