Hemilä, H., & Chalker, E. (2017). Zinc for preventing and treating the common cold. Cochrane Database Syst Rev.
Chicago Stili AlıntıHemilä, Harri, ve Elizabeth Chalker. "Zinc for Preventing and Treating the Common Cold." Cochrane Database Syst Rev 2017.
MLA AlıntıHemilä, Harri, ve Elizabeth Chalker. "Zinc for Preventing and Treating the Common Cold." Cochrane Database Syst Rev 2017.
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