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NIST micronutrients measurement quality assurance program summer 2004 comparability studies : results for round robin LVI fat-soluble vitamins and carotenoids in human serum and round robin 21 ascorbic acid in human serum / David L. Duewer; Jeanice B. Thomas.

National Institute of Standards and Technology (NIST) Publications Available online

National Institute of Standards and Technology (NIST) Publications

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