ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have sampled the Orinoco river and its tributaries in Venezuela and have found total selenium concentrations ranging from 60 pM to 5,163 pM while selenium iv varies from 〈20 pM to l,690pM. The relatively low selenium concentrations in the Guyana Shield on the right bank of the river are ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/326686a0
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