ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] FOUR crystalline preparations of vitamin D have recently been described1 having approximately equal antirachitic activities (20,000–25,000 International Units per milligram) and similar absorption spectra, but differing widely in their optical rotations. It follows either that ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/128758a0
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