ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Radioactive B12 was obtained from Philips-Duphar, Holland, and had a specific activity of 30 mc./mg. To samples of fresh, pooled normal human serum, 300, 1,000 or 3,000 µµg of cobalt-57 labelled vitamin B12/ml. of serum was added. The samples were dialysed at 40 C against twenty times ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/217272a0
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