Nomenclature, Ideology, Theory

The history of the subject has now developed to the point where the older nomenclature is often a hindrance, since it has led to sterile discussion 

At the same time the complementary inter-relation between nutritional requirements and the organism s own synthetic abilities was becoming clearer. Once it had been recognized that many of the substances required by one set of organisms w ere substances synthesized by another set of organisms, the latter thus not requiring those substances as dietary 

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