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T. G. H. DRAKE, M.B., F.R.C.P. (C.)

Am J Dis Child. 1937;53(3):754-759.

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

Shortly after the discovery of the production of vitamin D by the irradiation of ergosterol, the observation was made that the antirachitic effect on chickens of the irradiated ergosterol differed markedly from that of cod liver oil, rat unit for rat unit of vitamin D.¹ This raised the question of the relative efficacy in human beings of the various

vitamin D-containing substances and the dosage of each necessary for the prevention and cure of infantile rickets. For some years it has been customary to administer daily for the prevention of rickets 3 teaspoonfuls of cod liver oil, which amount contains approximately 1,000 U. S. P. units of vitamin D, or 10 drops of standard viosterol (10,000 U. S. P. [international] units of vitamin D per gram), which dose contains approximately 2,000 units. In table 1 are given most of the commonly used vitamin D products, with the number of . . . [Full Text PDF of this Article]

Author Affiliations
TORONTO, CANADA

From the Department of Paediatrics, University of Toronto Faculty of Medicine, and the Hospital for Sick Children, under the direction of Dr. Alan Brown.

Footnotes
Read at the Forty-Eighth Annual Meeting of the American Pediatric Society, Bolton Landing, N. Y., June 11, 1936.

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