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A CONTRIBUTION TO OUR KNOWLEDGE OF THE EXCRETION OF PHOSPHATES IN INFANCY

J. H. MASON KNOX Jr., M.D.; MARTHA TRACY, M.D.
Am J Dis Child. 1914;VII(6):409-421. doi:10.1001/archpedi.1914.04100420002001.
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Studies of the nutritional disorders of infancy have occupied a conspicuous place in the literature of pediatrics during the last five to ten years. The newer and more accurate analytical methods, and the various metabolism beds contrived for use with young children, have made possible accurate work along these lines. Thus far, however, the data collected are still insufficient to establish a thorough understanding of the normal metabolism, and even less complete is the information at our disposal in regard to the pathological nutritional, states. Any series of data, therefore, which adds even isolated facts to the sum of our knowledge, is of recognized value, and from this standpoint the data here collected are presented.

A number of early investigators observed that the excretion of phosphates in the urine of young infants was very low, but such observations were made on single specimens of urine only, and are therefore not

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