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April 1921


Author Affiliations

From the Children's Medical Department and the Clinical Laboratory of the Massachusetts General Hospital.

Am J Dis Child. 1921;21(4):389-400. doi:10.1001/archpedi.1921.01910340076006

I. CHLORIDS IN HUMAN MILK  In discussions of the composition of human milk and of modifications of cow's milk, much stress is laid on the absolute and relative proportions of fats, carbohydrates and protein, but, as a rule, no mention is made of the concentration of the mineral constituents. As an example, we may cite the fact that in many clinics the most premature infant is given mixtures of whey, which may provide certain advantages in regard to the quality of the protein, but which contain 300 per cent. more chlorids than does human milk. A similar relation exists in connection with several of the other inorganic constituents.This practice is, of course, based on the assumption that an excess of inorganic material is present even in human milk, and that this excess is not injurious, an assumption not based on experimental evidence. Theoretically, it is, of course, perfectly conceivable

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