USDA-Iowa State University database on the isoflavone content of foods [electronic resource] / prepared by the Nutrient Data Laboratory, Food Composition Laboratory, Beltsville Human Nutrition Research Center, Agriculture Research Service, U.S. Department of Agriculture.
Imprint
Beltsville, Md. : U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Nutrient Data Laboratory, [2007]