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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1935 Sep;21(9):517–522. doi: 10.1073/pnas.21.9.517

The Assimilation of Ammonium Nitrogen by Nitzchia Closterium and Other Marine Phytoplankton

Claude E ZoBell 1
PMCID: PMC1076647  PMID: 16577680

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