Abstract
WITH the death on March 19, at the age of seventy-seven years, of Prof. E. Poulsson, Norway has lost one of her foremost scientific workers. He was chiefly known on account of his work in connexion with the fat-soluble vitamins as they are found in cod liver oil. In innumerable papers he has shown that the female organism in the sexually mature years has a greater vitamin reserve than the male. Similarly, he has proved that the chondropteryginous fishes—in contradistinction to the osseous—are only endowed with negligible quantities of vitamin D, a substance which they manifestly do not require as their framework is only to a very limited extent composed of lime compounds.
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RYGH, O. Prof. E. Poulsson. Nature 135, 818 (1935). https://doi.org/10.1038/135818a0
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DOI: https://doi.org/10.1038/135818a0