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March 1920

CALCIUM METABOLISM OF INFANTS AND YOUNG CHILDREN AND THE RELATION OF CALCIUM TO FAT EXCRETION IN THE STOOLSPART 2.—CHILDREN TAKING A MIXED DIET

Author Affiliations

NEW YORK
From the Laboratories of the Rockefeller Institute for Medical Research and the Babies' Hospital, New York.

Am J Dis Child. 1920;19(3):201-222. doi:10.1001/archpedi.1920.01910210035004
Abstract

In a preceding paper on calcium metabolism was considered the absorption of calcium by infants taking modifications of cow's milk and the excretion of calcium in relation to the excretion of fat in their stools. In this paper we discuss the calcium metabolism of older children taking a mixed diet. As stated in the previous paper, by calcium excretion is meant the total amount of calcium lost in the stools; whether part of this has been absorbed and is subsequently excreted into the large intestine is not here considered. By calcium absorption is meant the difference between intake and the amount lost in the stools.

HEALTHY CHILDREN  The first group considered includes children who were normal as to digestion. Tables 1 and 2 show the calcium absorption in relation to calcium and fat intake for normal children taking a mixed diet; Table 1 including the cases in which the intake

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