The following report presents the results of a study made at the Babies and Childrens Hospital of Cleveland to determine the comparative antirachitic efficacy for human infants of two milks produced and assayed at the Ohio Agricultural Experiment Station, Wooster, Ohio. The one milk, labeled L milk, was made antirachitic by irradiation; the other, labeled Y milk, by feeding the cows irradiated yeast.
PART I. PRODUCTION AND ASSAY1By W. E. Krauss, Ph.D., and R. M. Bethke, Ph.D.
One premise on which a satisfactory comparison of different vitamin D milks must be based is a supply of such milks carefully controlled with respect to production and potency. Realizing this, arrangements were made to produce and to control at the Ohio Agricultural Experiment Station two types of vitamin D milk and to furnish these milks to the Babies and Childrens Hospital of Cleveland. One of these milks was produced by
GERSTENBERGER HJ, HORESH AJ, VAN HORN AL, KRAUSS WE, BETHKE RM. ANTIRACHITIC COW'S MILK: COMPARATIVE STUDY OF ANTIRACHITIC VALUE OF IRRADIATED COW'S MILK AND OF MILK PRODUCED BY COWS FED IRRADIATED YEAST. JAMA. 1935;104(10):816–826. doi:10.1001/jama.1935.02760100026008
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