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Image Number D2188-1 Agricultural engineer Rebecca Milczarek prepares for a taste test of blueberry placebo powder that looks, tastes, and smells the same as freeze-dried blueberry powder.  The placebo was developed for use as a standard in human nutrition studies.  Photo by Peggy Greb.  640 pixels wide: (d2188-1.jpg)   Please visit our Image Gallery


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