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Diet does it : how the proper selection of food helps build and protect sound teeth, by one of the world's foremost nutritionists / by E.V. McCollum.
- McCollum, Elmer Verner, 1879-
About this work
New York : Dept. of Nutritional Research, General Baking Company, [1934?]
12 unnumbered pages ; 16 cm
"Published in cooperation with the dental profession to promote an interest in proper food selection for tooth health and general well-being of the entire family."