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To the Editor.—
The question about estrogens in beef production (227:1067, 1974) was probably answered before the Food and Drug Administration (FDA) withdrew its ban on diethylstilbestrol in animal feed. At any rate, in January 1974, the FDA again allowed this agent to be used in animal foods.The question and answer supplied will have to be reevaluated in light of the fact that we now may again be eating meat and poultry that does have residuals of diethylstilbestrol in the particular food product.
Evrard JR. Estrogens in Beef Production. JAMA. 1974;228(6):695. doi:10.1001/jama.1974.03230310017011
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