Analysis of information sources in references of the Wikipedia article "Vilhjalmur Stefansson" in English language version.
the diet on which Nansen and Johansen, as well as Stefansson and Andersen, subsisted is not identical with the Eskimo diet, for the Eskimos, in addition to meat and fat, eat considerable quantities of entrails and plant food in the form of land plants and sea algae. During the summer 50% of their vitamin C supply is obtained from marine algae.