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A vitamin D3 dosage of 800 IU/d increases serum 25-(OH)D levels to greater than 50 nmol/L in 97.5% of women. http://t.co/PGMdoO8xbw
A vitamin D3 dosage of 800 IU/d increases serum 25-(OH)D levels to greater than 50 nmol/L in 97.5% of women. http://t.co/PGMdoO8xbw