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RESULTS obtained in an investigation on the influence of certain dietary supplements on the nutrition of the adult African native suggested to us that further work might profitably be carried out on growing subjects, particularly with a view to determining the calcium requirements. In order that the calcium balances might be followed out in more detail than had been possible in our previous work only five subjects were selected.

The Influence of Certain Dietary Supplements in Relation to the Calcium Requirements of Growing African Natives. II