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American Academy of Allergy Asthma & Immunology: "Rhinosinusitis: Saline Sinus Rinse Recipe."
Eccles, R. Journal of Pharmacy and Pharmacology, September 1990.
Fruits & Veggies More Matters: "Vegetable of the Month: Garlic."
Joslin, P. Advances in Therapy, July/August 2001.
National Center for Complementary and Alternative Medicine: "Echinacea" and "In the News: Zinc and the Common Cold."
Natural Medicines Comprehensive Database.
Oregon State University, The Linus Pauling Institute Micronutrient Information Center: "Vitamin C."
Rennard, B. Chest, October 2000.
Linus Pauling Institute, Oregon State University: Micronutrient Information Center.
Reviewed by Sabrina Felson, MD on February 15, 2017
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