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Department of Agricultural Chemistry, University of Missouri, Columbia
Female rats received a synthetic diet to which thirteen vitamins had been added. The vitamin mixture did not contain ascorbic acid or vitamin Bc, and the diet contained no unrecognized vitamins unless they were present as contaminants. Nearly 2% of the offspring developed hydrocephalus. Presumably this abnormality was the result of a nutritional deficiency.
Manuscript received 22 June 1946.