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4. Ohio State University 2013, “Zinc helps fight against infection by tapping brakes in immune response”, https://www.sciencedaily.com/releases/2013/02/130207131344.htm#:~:text=Zinc%20helps%20against%20infection%20by%20tapping%20brakes%20in%20immune%20response,-Date%3A%20February%207&text=Summary%3A,be%20damaging%20and%20even%20deadly.
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