Experimentally observed vitamin D requirements are higher than extrapolated ones
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چکیده
منابع مشابه
Odd permutations are nicer than even ones
We give simple combinatorial proofs of some formulas for the number of factorizations of permutations in Sn as a product of two n-cycles, or of an n-cycle and an (n − 1)-cycle. © 2012 Elsevier Ltd. All rights reserved.
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ژورنال
عنوان ژورنال: The American Journal of Clinical Nutrition
سال: 2009
ISSN: 0002-9165,1938-3207
DOI: 10.3945/ajcn.2009.28414