Abstract
IN connexion with the problem of the constitution of vitamin-D, the following comparison of the absorption spectra of irradiated ergosterol and of unirradiated iso-ergosterol is of interest.
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References
For example, Heilbron, NATURE, vol. 120, p. 617; 1927.
Reindel, Lieb. Ann., vol. 452, p. 34; 1927.
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VAN WIJK, A., REERINK, E. Vitamin-D and Iso-Ergosterol. Nature 122, 648 (1928). https://doi.org/10.1038/122648a0
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DOI: https://doi.org/10.1038/122648a0
