ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IN a previous communication in Nature1, we reported that the amount of vitamin A acid equivalent to one international unit of vitamin A (0.3 γ pure crystalline vitamin A or 0.6 γ pure β-carotene) as dependent on the method of administration. In the growth-test with A-deficient ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/158060a0