Assertion: potassium iodide | /r/AtLocation | demand
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Source sentences:
text: Scientific American spoke with John Boice, a professor at Vanderbilt University's Vanderbilt-Ingram Cancer Center and a cancer epidemiologist with the International Epidemiology Institute in Rockville, Md., to better understand why potassium iodide is in demand as well as what it can (and cannot) do.