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American Heart Association.
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Harvard School of Public Health.
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News release, Science Daily.
NIH Office of Dietary Supplements.
Tufts University Nutrition/Infection Unit.
University of Florida IFAS Extension Service.
University of Kentucky Cooperative Extension Service.
University of Maryland Medical Center.
University of Maryland Medical System, Complementary Medicine. University of Miami Health System.
University of Michigan Health System.
Reviewed by Michael W. Smith, MD on October 21, 2020
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