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Dr. Allen Levine and his assistant, Martha Grace, in their lab at the Veterans' Affairs Hospital in Minneapolis. They are researching the effects of sugar and other substances on rat brains. |
(MPR Photo/Rob Schmitz)
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Dr. Allen Levine and his assistant, Martha Grace, in their lab at the Veterans' Affairs Hospital in Minneapolis. They are researching the effects of sugar and other substances on rat brains. |
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