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HARTZELL HARRISON RAY, M.D.; NILKANTH M. PHATAK, B.S.

Am J Dis Child. 1930;40(3):549-556.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Calcium exists in the blood serum in three forms in an ionized state, in an un-ionized but diffusible or dialyzable form and in an un-ionized, nondiffusible combination.¹ The evaluation of the part played by these fractions in the body metabolism is not fully understood. One of the underlying reasons for this failure to evaluate the rôle of these fractions properly has been the lack of standardized methods for their determination, and consequently insufficient data as to their normal values. Several studies on the diffusible serum calcium in animals and in human adults have appeared,² but it is our belief that no work has been done that deals with normal values for the calcium partition in the new-born infant.

METHODS AND EXPERIMENTAL PROCEDURE

Observations were made on fifty normal new-born infants, ranging from 5 to 22 days in age. Of this group, twenty-four were boys and twenty-six girls. Blood . . . [Full Text PDF of this Article]

Author Affiliations
SAN FRANCISCO

From the Department of Pediatrics and the George Williams Hooper Foundation for Medical Research, University of California Medical School.

Footnotes
Submitted for publication, March 10, 1930.

This is one of a series of biochemical studies in infancy made possible by a grant from the Knox Gelatin Company, Johnstown, N. Y.

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